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Showing 1-20 of 1274 results in 1274 entries
1. aa, n.2 View full entry 1859
...A kind of volcanic lava with a rough, jagged surface covered with loose clinkers. Freq. attrib., esp. in aa lava. Contrasted with pahoehoe....
2. Aalenian, n. and adj. View full entry 1882
...A stage at the lowest level of the Middle Jurassic, lying next below the Bajocian; the geological age corresponding to this stage....
3. acaulescent, adj. View full entry 1822
...Apparently stemless; having a very short stem, or a stem concealed in the ground....
4. acidophilus, adj. and n. View full entry 1914
...attrib. Designating milk and other food products and dietary supplements that contain certain fermenting bacteria, esp. Lactobacillus acidophilus, and are consumed esp. in probiotic diets; (also) designating such bacteria....
5. † acoelomatous, adj. View full entry 1874
...Lacking a body cavity; = acoelomate...
6. acropetally, adv. View full entry 1875
...In an acropetal manner; with development from the base or point of attachment upwards....
7. actinoid, n.2 View full entry 1958
...= actinide...
8. actinomycetes, n. View full entry 1885
...With pl. concord. Rod-shaped or filamentous Gram-positive bacteria belonging to a diverse group having a tendency to form branching colonies resembling the mycelium of a fungus, including many soil-dwelling and...
9. actino-uranium, n. View full entry 1918
...The (fissile) isotope of uranium of mass number 235....
10. acuity, n. View full entry a1400
...The capacity of a substance to cut, pierce, or corrode; acidity, caustic quality. Obs....
11. addicting, adj. View full entry 1931
...= addictive1....
12. adelpholite, n. View full entry 1859
...A mineral containing iron, manganese, niobium, and other elements, subsequently identified with samarskite....
13. adeno-associated, adj. View full entry 1965
...Designating any of a group of parvoviruses which are dependent upon a helper virus (usually an adenovirus) for replication, and which can be used as vectors for gene transfer....
14. adjutory, n. and adj. View full entry a1400
...Anat. The bone of the upper arm, the humerus; the upper arm itself (as contrasted with the forearm). Also: the femur (rare). Cf. adjutorObs....
15. Adlerian, adj. and n. View full entry 1912
...Of, relating to, or characteristic of Alfred Adler or the theories or methods advanced by or associated with him, esp. his analysis of the influence of environmental factors in the formation of...
16. adust, adj.1 View full entry a1400
...Med. Designating any of the humours of the body when considered to be abnormally concentrated and dark in colour, and associated with a pathological state of hotness and dryness of the...
17. aegritude, n. View full entry a1400
...Sickness; an instance of sickness....
18. aerosolize, v. View full entry 1944
...trans. To make into an aerosol, disperse as an aerosol....
19. † affeeble, v. View full entry a1400
...trans. To weaken, enfeeble....
20. afterfeather, n. View full entry 1937
...A secondary structure attached to the undersurface of the shaft of a contour feather, typically resembling a smaller and downier feather; also called hyporachis. Cf. aftershaft...
