Physical Chemistry. a semirigid colloidal dispersion of a solid with a liquid or gas, as jelly, glue, etc.
Theater. (def 5).
Biochemistry. a semirigid polymer, as agarose, starch, cellulose acetate, or polyacrylamide, cast into slabs or cylinders for the electrophoretic separation of proteins and nucleic acids.
verb (used without object), gelled, gelling.
to form or become a gel.
a semirigid jelly-like colloid in which a liquid is dispersed in a solid: nondrip paint is a gel
See hair gel
(theatre, informal) See gelatine (sense 4)
verb gels, gelling, gelled
to become or cause to become a gel
a variant spelling of jell
1899, as a chemical term, short for gelatin and perhaps influenced by jell. The invention of this word is credited to Scottish chemist Thomas Graham (1805-1869). Hair-styling sense is from 1958. The verb meaning “to become a gel” is attested by 1902; figurative sense is from 1958. Related: Gelled; gelling.
A colloid in which the disperse phase combines with the dispersion medium to produce a semisolid material. v. gelled, gel·ling, gels
cook with gas, run out of gas, step on it
[gel-mahn, -man] /gɛlˈmɑn, -ˈmæn/ noun 1. Murray, born 1929, U.S. physicist: devised a system for classifying elementary particles and postulated theory of quarks; Nobel Prize 1969. /ˈɡɛlˈmæn/ noun 1. Murray. born 1929, US physicist, noted for his research on the interaction and classification of elementary particles: Nobel prize for physics in 1969 Gell-Mann (gěl’mān’) American […]
Global Health and Environment Library Network
noun 1. a smooth-writing pen that uses a pigmented, gel-based ink. noun a type of writing instrument using gel-based ink, which is smooth-writing and smearproof Examples He bought 10 colors of retractable gel pens.
[jel-sol-in] /dʒɛlˈsɒl ɪn/ noun, Biochemistry. 1. an actin-binding protein that modulates actin filament length and gelation, influencing cell locomotion and structure, endocytosis, etc.