Nouns denoting substances

gibberellic acid

a crystalline acid associated with gibberellin

 

oxygenase

an oxidoreductase that catalyzes the incorporation of molecular oxygen

 

phosphoprotein

containing chemically bound phosphoric acid

 

polysaccharide

any of a class of carbohydrates whose molecules contain chains of monosaccharide molecules

 

vitamin A1

an unsaturated alcohol that occurs in marine fish-liver oils and is synthesized biologically from carotene

 

Ta

a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite

 

Zanzibar copal

a hard copal derived from an African tree

 

hyper-eutectoid steel

a steel that contains more than 0.9% carbon

 

jadeite

a hard green mineral consisting of sodium aluminum silicate in monoclinic crystalline form; a source of jade; found principally in Burma

 

simazine

a herbicide used to control weeds (especially among crops)

 

natrolite

a group of minerals of the zeolite family consisting of a hydrous silicate of sodium and aluminum

 

greaseproof paper

paper that is impermeable to oil or grease; used in cooking

 

B-complex vitamin

originally thought to be a single vitamin but now separated into several B vitamins

 

emery cloth

cloth covered with powdered emery

 

glucoside

a glycoside derived from glucose

 

triphosphoric acid

an acid that is a partial anhydride of three molecules of phosphoric acid; known chiefly in the form of its salts and esters

 

absorption indicator

an indicator used in reactions that involve precipitation

 

plasmin

an enzyme that dissolves the fibrin of blood clots

 

HDL

a lipoprotein that transports cholesterol in the blood; composed of a high proportion of protein and relatively little cholesterol; high levels are thought to be associated with decreased risk of coronary heart disease and atherosclerosis

 

solvating agent

an agent that converts something into a solvate