agarose
UK[ˈæɡərəʊz]US[ˈæɡəroʊs]
n
A polysaccharide substance derived from seaweed, used as a gel-forming medium in biological laboratories.
Morpheme Breakdown
agar
ose
agar
a gelatinous substance
ose
sugar/carbohydrate suffix
Etymology
The word 'agarose' is a modern scientific coinage from the mid-20th century, created by combining 'agar' with the chemical suffix '-ose'. 'Agar' itself entered English from Malay, referring to a jelly derived from red algae. The suffix '-ose', borrowed via French from Latin '-osus', became standardized in biochemistry to designate carbohydrates. Thus, agarose literally means "the carbohydrate derived from agar," logically naming a specific polysaccharide component extracted from agar for its gelling properties in scientific applications.
Analysis
Structure: agar (a gelatinous substance) + ose (sugar/carbohydrate suffix)
- agar: From Malay 'agar-agar', a type of red algae. In this word, it denotes the source material.
- ose: A suffix of French and Latin origin, used in chemistry to denote sugars and carbohydrates (e.g., glucose, sucrose). It indicates the substance's chemical class.
Examples
Agarose gel electrophoresis is a common technique for separating DNA fragments.
The concentration of agarose in the gel determines its pore size and resolving capability.
The DNA ladder was run on a one percent agarose gel to visualize the results.