unstained
121negative staining — A staining procedure in which a dye is used to make the background dark while the specimen is unstained …
122phospholipid bilayer — A lamellar organization of phospholipids that are packed as a bilayer with hydrophobic acyl tails inwardly directed and polar head groups on the outside surfaces. It is this bilayer that forms the basis of membranes in cells, though in most… …
123photomicrography — See photomicrographer. * * * ▪ biology photography of objects under a microscope. Such opaque objects as metal and stone may be ground smooth, etched chemically to show their structure, and photographed by reflected light with a… …
124Bayard — /bay euhrd/, n. 1. a magical legendary horse in medieval chivalric romances. 2. a mock heroic name for any horse. 3. (l.c.) Archaic. a bay horse. [1275 1325; ME < MF; see BAY5, ARD] /bay euhrd/; for 1 also Fr. /bann yannrdd /, n. 1. Pierre… …
125botany — /bot n ee/, n., pl. botanies. 1. the science of plants; the branch of biology that deals with plant life. 2. the plant life of a region: the botany of Alaska. 3. the biology of a plant or plant group: the botany of deciduous trees. 4. (sometimes… …
126clean — cleanness, n. /kleen/, adj., cleaner, cleanest, adv., cleaner, cleanest, v. adj. 1. free from dirt; unsoiled; unstained: She bathed and put on a clean dress. 2. free from foreign or extraneous matter: clean sand. 3. free from pollution;… …
127fair — fair1 fairness, n. /fair/, adj., fairer, fairest, adv., fairer, fairest, n., v. adj. 1. free from bias, dishonesty, or injustice: a fair decision; a fair judge. 2. legitimately sought, pursued, done, given, etc.; proper under the rules: a fair… …
128microbiology — microbiological /muy kroh buy euh loj i keuhl/, microbiologic, adj. microbiologically, adv. microbiologist, n. /muy kroh buy ol euh jee/, n. the branch of biology dealing with the structure, function, uses, and modes of existence of microscopic… …
