English words starting with H

The underlying reality or substance of something as opposed to its attributes.

Relating to or constituting a fundamental or underlying substance or reality.

abnormally low blood pressure.

Relating to or characterized by abnormally low blood pressure.

the longest side of a right-angled triangle, opposite the right angle.

a region of the brain below the thalamus which controls body temperature, thirst, hunger, and other homeostatic systems, and is involved in sleep and emotional activity.

a serious medical condition in which a person's body temperature falls below the normal level, often caused by prolonged exposure to cold.

Relating to or affected by an abnormally low body temperature.

a proposed explanation for a phenomenon, made as a starting point for further investigation.

to suggest a possible explanation for something based on limited evidence, as a starting point for further investigation.

Put forward as a hypothesis; propose as an explanation based on limited evidence.

Based on or involving a suggested idea or theory rather than on fact.

in a way that involves considering or discussing a possible situation or idea, but not one that is necessarily true or real

Relating to or affected by an underactive thyroid gland, resulting in a deficiency of thyroid hormones.

A medical condition in which the thyroid gland does not produce enough thyroid hormone, resulting in symptoms such as tiredness, weight gain, and sensitivity to cold.

A condition in which the body or a region of the body is deprived of adequate oxygen supply at the tissue level.

Relating to or suffering from a deficiency of oxygen.

a small, thickset, herbivorous mammal with a short tail, found in africa and the middle east, resembling a rodent but more closely related to elephants and manatees.

A small bushy aromatic plant of the mint family, with blue flowers and bitter leaves, used in herbal medicine and formerly in religious rites.

a medical operation to remove a woman's womb

the phenomenon in which the value of a physical property lags behind changes in the effect causing it, as for instance when magnetic induction lags behind the magnetizing force.

a state of extreme excitement, fear, or anger in which a person, or a group of people, loses control of their emotions and starts to cry, laugh, etc. in an uncontrolled way

relating to or suffering from hysteria; wildly emotional and uncontrolled.

feeling or expressing extreme, uncontrolled emotion, such as fear, anger, or excitement, often with crying or laughter

in a wildly emotional and uncontrolled way, often involving extreme laughter or crying

a state of uncontrolled excitement, emotion, or laughter