Alphabetical word directory
English words starting with H
Showing words 961–1,080 of 2,306. Choose a word to read its meaning, etymology and origin.
heparin
na substance found especially in liver and lung tissue that slows the clotting of blood and is used in medicine.
hepatic
adjRelating to or affecting the liver.
hepatitis
na serious disease of the liver that causes fever and makes the skin yellow.
hepatocellular
adjRelating to or affecting the cells of the liver.
hepatocyte
na cell of the main tissue of the liver.
heptachlor
na toxic chlorinated hydrocarbon pesticide, c₁₀h₅cl₇, formerly used in agriculture.
heptathlon
na women's athletic competition in which each person takes part in seven different events.
her
pronUsed as the object of a verb or preposition to refer to a female person or animal previously mentioned or easily identified.
her/him
pronUsed as the object of a verb or preposition to refer to a male person or animal previously mentioned or easily identified.
her/his
possessive determinerof or belonging to a female person or animal previously mentioned or easily identified.
herald
nan official messenger who brings important news or announces state proclamations.
heraldic
adjrelating to heraldry or heraldic devices.
heraldry
nthe system by which coats of arms and other armorial bearings are devised, described, and regulated.
herb
na plant whose leaves, flowers, or seeds are used to flavor food, in medicines, or for their pleasant smell.
herb-crusted
adj(of food, especially meat or fish) having a crisp outer layer made with herbs and other ingredients such as breadcrumbs or nuts.
herbaceous
adjresembling a herb in texture, color, or growth habit; not woody.
herbal
adjRelating to, made from, or containing herbs.
herbalism
nThe study or practice of the medicinal and therapeutic use of plants.
herbalist
na person who grows, collects, or specializes in the use of plants for medicinal purposes.
herbarium
na systematically arranged collection of dried plants.
herbed
adjflavored or seasoned with herbs
herbicide
na substance that is toxic to plants and is used to destroy unwanted vegetation.
herbicide-resistant
adj(of a plant) not harmed or killed by a particular chemical used to destroy unwanted plants
herbivore
nan animal that eats only plants
herbivorous
adjfeeding on plants
herculean
adjrequiring or showing great strength or effort; extremely difficult
herd
nA large group of animals of the same type that live and feed together
herder
nA person who looks after a herd of animals.
herding
nThe activity of bringing animals together and moving them from place to place as a group.
herdsman
na man who looks after a herd of animals, especially cattle or sheep.
here
advin, at, or to this place or position
hereabouts
advin this general area; near this place.
hereafter
advfrom this time onward; in the future.
hereby
advby this means or action; as a result of this statement or document.
hereditary
adj(of a title, position, or right) conferred by or based on inheritance
heredity
nthe passing on of physical or mental characteristics genetically from one generation to another.
herein
advin this document, statement, or matter
hereinafter
advIn the following part of this document or statement.
heresy
nA belief or opinion that is against the official or accepted beliefs of a religion, especially Christianity.
heretic
nA person who holds beliefs or opinions that are contrary to the official or orthodox teachings of a religion or group.
heretical
adjHolding an opinion or belief that contradicts established religious teaching, especially Christian doctrine.
heretofore
advuntil this time; before now
herewith
advused in formal writing to say that a document is being sent together with the letter or message you are writing.
heritability
nThe proportion of observed variation in a particular trait that can be attributed to inherited genetic factors in contrast to environmental ones.
heritable
adjcapable of being inherited, especially of a characteristic or trait passed from parent to offspring through genes.
heritage
nProperty that is or may be inherited; an inheritance.
herky-jerky
adjcharacterized by abrupt, irregular, and unsteady movements or actions.
hermaphrodite
nAn organism that has both male and female reproductive organs.
hermaphroditic
adjhaving both male and female reproductive organs in a single individual.
hermeneutic
adjrelating to or involving the theory and methodology of interpretation, especially of scriptural or literary texts.
hermeneutical
adjrelating to or concerning interpretation, especially of scripture or literary texts.
hermeneutics
nthe theory and methodology of interpretation, especially of scriptural or literary texts.
hermetic
adjcompletely sealed, especially against the escape or entry of air.
hermetically
advIn a completely airtight way.
hermit
na person who lives alone and apart from society for religious reasons
hermitage
nA secluded residence or private retreat, especially one used by a hermit.
hernia
nA medical condition in which an organ or tissue pushes through a weak area in the surrounding muscle or connective tissue.
herniated
adjDescribing a bodily organ or tissue, especially an intervertebral disc, that has protruded abnormally through its containing wall.
herniation
nThe abnormal protrusion of an organ or tissue through an opening in its surrounding wall.
hero
nA person who is admired for their courage, outstanding achievements, or noble qualities.
heroic
adjhaving the characteristics of a hero, such as being very brave or determined
heroically
advIn a manner that shows extreme courage or determination, like a hero.
heroics
nLanguage or behavior that is dramatic, emotional, or excessively bold, especially in an attempt to seem heroic.
heroin
na powerful illegal drug made from morphine, that is addictive and causes serious health and social problems
heroine
na woman who is admired for having done something very brave or having achieved something great
heroism
nGreat courage and determination, especially in a difficult or dangerous situation.
heron
nA large, long-legged bird that lives near water and has a long neck and a long, pointed beak.
herpes
na disease caused by a virus that causes painful spots on the skin, especially on the face or sexual organs.
herpesvirus
nAny of a group of DNA viruses that cause various diseases, including chickenpox, shingles, cold sores, and genital herpes, and which can remain latent in the body.
herpetologist
nA zoologist who studies reptiles and amphibians.
herpetology
nthe branch of zoology concerned with the study of reptiles and amphibians.
herring
na long silver sea fish that swims in very large groups and is used for food.
herringbone
na pattern consisting of columns of short parallel lines, with all the lines in one column sloping one way and all the lines in the next column sloping the other way so that a series of v shapes is formed.
hers
pronThat which belongs to or is associated with a female person or animal previously mentioned.
herself
pronused when the female person or animal who does an action is also affected by it
hesitance
nthe state or quality of being hesitant; indecision or reluctance.
hesitancy
nthe state or quality of being hesitant; indecision or reluctance.
hesitant
adjTending to pause or delay before doing something because you are nervous or unsure.
hesitantly
advin a way that shows you are slow to speak or act because you feel uncertain, unwilling, or nervous
hesitate
vTo pause before saying or doing something because you are uncertain or nervous.
hesitatingly
advIn a way that shows you are slow to speak or act because you feel uncertain or nervous.
hesitation
nthe act of pausing before saying or doing something because you are uncertain or nervous
hessian
nA strong, coarse fabric made from jute or hemp, used especially for making sacks.
hetero
nA heterosexual person.
heterocyclic
adjDescribing a compound whose molecule contains a ring of atoms of at least two different elements.
heterodiegetic
adj(In narratology) designating a narrator who exists outside the story world and is not a character within it.
heterodox
adjHolding opinions or beliefs that are different from the official or commonly accepted ones, especially in religion.
heterodoxy
nThe fact of holding beliefs or opinions that are different from the official or accepted ones of a particular religion, political party, etc.
heterogeneity
nThe quality or state of being diverse in character or content; consisting of dissimilar or diverse elements.
heterogeneous
adjConsisting of parts or members that are very different from one another.
heterogenous
adjConsisting of parts or things that are very different from each other; varied in composition or character.
heterojunction
nAn interface between two different semiconductor materials, with different band gaps, which is crucial in the design of modern electronic and optoelectronic devices.
heteronomous
adjSubject to external laws, rules, or authority; not self-governing.
heterosexism
nThe assumption that heterosexuality is the only normal and natural expression of sexuality, often accompanied by prejudice and discrimination against gay, lesbian, and bisexual people.
heterosexual
adjsexually or romantically attracted to people of the opposite sex.
heterosexuality
nSexual or romantic attraction to people of the opposite sex.
heterotopic
adjOccurring in an abnormal place or position within the body.
heterotrophic
adjRequiring organic compounds of carbon and nitrogen for nourishment; not capable of synthesizing its own food.
heterozygosity
nThe condition of having two different alleles of a particular gene or genes.
heterozygote
na cell or organism that has two different alleles of a particular gene, one from each parent.
heterozygous
adjHaving two different alleles of a particular gene or genes.
heuchera
nA genus of North American plants of the saxifrage family, many of which are cultivated for their attractive, often brightly coloured or patterned foliage and slender flower spikes.
heuristic
adjrelating to or using a method of learning or problem-solving that allows people to discover things for themselves and learn from experience.
heuristically
advIn a way that involves learning or discovering something through experience, experimentation, or trial and error.
heuristics
na method of solving problems or making decisions by learning from past experience and using practical methods, rather than by following a fixed set of rules.
hew
vTo cut or shape something, especially wood or stone, with a heavy tool such as an axe.
hewn
adj(of stone or wood) shaped or cut with a tool such as an axe or chisel.
hex
vTo cast an evil spell on someone or something; to bewitch.
hexadecimal
adjRelating to or using a number system with a base of sixteen.
hexagon
na flat shape with six straight sides and six angles.
hexagonal
adjHaving a shape with six straight sides and six angles.
hexameter
nA line of verse consisting of six metrical feet.
hey
interjUsed to attract attention or to express surprise, interest, or annoyance.
heyday
nThe period of a person's or thing's greatest success, popularity, or vigor.
hi
interjAn informal word used as a greeting or to attract attention.
hi-fi
nHigh-quality sound reproduction, especially of recorded music.
hi-ho
interjAn exclamation used to express cheerful encouragement, to set a rhythm for coordinated effort, or to express lighthearted surprise.
hi-tech
adjUsing or involving advanced and sophisticated technology, especially electronic or digital technology.
hiatus
na pause or gap in a sequence, series, or process.
hibachi
nA small, portable charcoal grill or brazier used for cooking food.