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1. API in A, n. View full entry 1922
...American Petroleum Institute (used esp. with reference to a scale, developed by the Institute, for expressing the relative density of oil)....
2. Aaron's rod, n. View full entry 1830
...Archit. An ornamental figure consisting of a rod with a serpent entwined around it....
3. abaciscus, n. View full entry 1753
...A square section containing part or all of the pattern of a mosaic pavement; (also) a single mosaic tile, a tessera. Now rare....
4. abaciscus, n. View full entry 1778
...= abacus2. rare....
5. abaculus, n. View full entry 1868
...A square or tile for use in a mosaic pavement; a tessera. Cf. abaciscus...
6. abacus, n. View full entry 1563
...Archit. The upper member of the capital of a column, supporting the architrave....
7. abat-jour, n. View full entry 1838
...An architectural device for deflecting the light from a wall or roof opening in a particular direction; spec.a skylight set in an angled or slanting aperture or light well;a...
8. abreuvoir, n. View full entry 1696
...Masonry. A place between stones or bricks which is to be filled with mortar or cement; a joint. Now rare....
9. abstractionism, n. View full entry 1921
...A style or method in the visual arts and architecture characterized by freedom from or absence of representational qualities. Also in extended use with reference to literature, music, etc....
10. abuilding, adj. View full entry 1534
...In the process of being built or building. Also fig. in later use. Only in predicative use....
11. abutment, n. View full entry 1734
...Archit. The masonry or rock which supports the lateral thrust of a bridge, arch, vault, etc.; the part of a valley side against which a dam is constructed. Cf. skew-back...
12. Abyssinian gold in Abyssinian, n. and adj. View full entry 1869
...a substitute for gold, of varying composition but typically consisting of an alloy of copper, zinc, and aluminium plated with gold; = talmi...
13. acanthine, adj. View full entry 1753
...Decorated with representations of acanthus leaves; resembling the leaves or branches of the acanthus....
14. acanthus, n. View full entry 1592
...A conventionalized representation of the spiny decorative leaf of Acanthus spinosus, used in architecture in the decoration of Corinthian and Composite capitals, and also in cabinetry, embroidery, and other arts...
15. acetifier, n. View full entry 1853
...An apparatus in which acetous fermentation is carried out in the manufacture of vinegar....
16. acid, adj. and n. View full entry 1876
...Metall. Designating a steel-making process involving refractories and slags rich in silica; relating to, involved in, or produced by such a process. Contrasted with basic2c. Now chiefly ...
17. acidization, n. View full entry 1893
...The process or action of acidizing something, esp. a well or a rock formation; an instance of this....
18. acid test, n. View full entry 1759
...A chemical test involving reaction with an acid (occas., a test for an acid); spec. a test for gold or other precious metal using nitric acid....
19. acierate, v. View full entry 1867
...trans. To convert (iron) into steel....
20. acme thread in acme, n. View full entry 1908
...a type of screw thread having flat apexes and valleys (as in a square thread), but with the sides of the threads inclined at an angle of 29 degrees....
