root exudations

См. также в других словарях:

• homopteran — /heuh mop teuhr euhn, hoh /, adj. 1. homopterous. n. 2. a homopterous insect. [1835 45; see HOMOPTEROUS, AN] * * * ▪ insect order Introduction   any of more than 32,000 species of sucking insects, the members of which exhibit considerable… …   Universalium

• coleopteran — /koh lee op teuhr euhn, kol ee /, adj. 1. belonging or pertaining to the order Coleoptera. n. 2. a beetle. [1840 50; COLEOPTER(A) + AN] * * * ▪ insect Introduction   any member of the insect order Coleoptera, consisting of the beetles and weevils …   Universalium

• resin — 1. An amorphous brittle substance consisting of the hardened secretion of a number of plants, probably derived from a volatile oil and similar to a stearoptene. 2. SYN: rosin. 3. A precipitate formed by the addition of water to certain tinctures …   Medical dictionary

• essential oil — any of a class of volatile oils obtained from plants, possessing the odor and other characteristic properties of the plant, used chiefly in the manufacture of perfumes, flavors, and pharmaceuticals. [1665 75] * * * Any of a class of highly… …   Universalium

• serumal — Relating to or derived from serum. * * * se·rum·al sir əm əl adj relating to or derived from serum or serous exudations <a serumal calculus at the root of a tooth> * * * se·ru·mal (sēr ooґməl) pertaining to or formed from serum …   Medical dictionary

• serumal — rəməl adjective Etymology: serum + al : belonging to or derived from serum or serous exudations a serumal calculus at the root of a tooth …   Useful english dictionary