1. Nocturnal mouselike mammal with forelimbs modified to form membranous wings and anatomical adaptations for echolocation by which they navigate.
4. The act of becoming betrothed or engaged.
12. The syllable naming the fifth (dominant) note of any musical scale in solmization.
15. How long something has existed.
16. (statistics) Any of three points that divide an ordered distribution into four parts each containing one quarter of the scores.
17. Any of various primates with short tails or no tail at all.
18. Recovery or preservation from loss or danger.
20. (British) Lively and brisk.
21. A logarithmic unit of sound intensity equal to 10 decibels.
22. 1 species.
24. Deciduous shrub of North America.
26. The basic unit of electric current adopted under the System International d'Unites.
29. The blood group whose red cells carry both the A and B antigens.
31. A highly unstable radioactive element (the heaviest of the halogen series).
32. Antibacterial drug used to treat leprosy and some kinds of skin diseases.
36. South African term for `boss'.
38. Based on racial intolerance.
39. Assist or encourage, usually in some wrongdoing.
41. Dried out by heat or excessive exposure to sunlight.
43. A metallic element of the rare earth group.
45. An insecticide that is also toxic to animals and humans.
46. An informal term for a father.
47. A radioactive transuranic element produced by bombarding plutonium with neutrons.
51. The branch of computer science that deal with writing computer programs that can solve problems creatively.
52. Small terrestrial lizard of warm regions of the Old World.
54. An imaginary elephant that appears in a series of French books for children.
56. A British peer ranking below a Marquess and above a Viscount.
58. A quantity of no importance.
61. A member of a subgroup of people who inhabit Lesotho.
62. East Indian tree yielding a resin used medicinally and burned as incense.
67. A state-chartered savings bank owned by its depositors and managed by a board of trustees.
70. An emaciated horse likely soon to become carrion and so attractive to crows.
72. One million periods per second.
74. Large burrowing rodent of South and Central America.
75. (informal) Of the highest quality.
76. Anise trees.
79. A workplace for the conduct of scientific research.
80. A light touch or stroke.
81. Genus of showy plants of western North America having palmate leaves and variously colored racemose flowers.
82. A loose sleeveless outer garment made from aba cloth.

1. A lyric poet.
2. American novelist (1909-1955).
3. A unit of magnetic flux density equal to one weber per square meter.
4. Provided or fitted out with what is necessary or useful or appropriate.
5. A man who courts a woman.
6. An informal term for a father.
7. Predatory black-and-white toothed whale with large dorsal fin.
8. A reptile genus of Iguanidae.
9. Free from sin.
10. Angular distance above the horizon (especially of a celestial object).
11. A city in the western Netherlands.
12. A fencing sword with a v-shaped blade and a slightly curved handle.
13. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
14. Goddess of the dead and queen of the underworld.
19. Any of several plants of the genus Camassia.
23. Any ameba of the genus Endamoeba.
25. The content of cognition.
27. A narrow strip of land that juts out into the sea.
28. A peasant farmer in the Scottish highlands.
30. A member of an agricultural people of southern India.
33. A radioactive element of the actinide series.
34. Consisting of or made of cedar.
35. King of the Huns.
37. Wild sheep of northern Africa.
40. A bachelor's degree in religion.
42. A beverage made by steeping tea leaves in water.
44. A small pellet fired from an air rifle or BB gun.
48. Any of various plants of the genus Sabbatia having usually pink cymose flowers.
49. Of or relating to or containing balsam.
50. Not only so, but.
53. Long-tailed brilliantly colored parrot of Central and South America.
55. Any of numerous local fertility and nature deities worshipped by ancient Semitic peoples.
57. Genus of beetles whose grubs feed mainly on roots of plants.
59. Being one hundred more than three hundred.
60. Last or greatest in an indefinitely large series.
63. Type genus of the family Arcidae.
64. United States physiologist (born in Germany) who did research on parthenogenesis (1859-1924).
65. Wading birds of warm regions having long slender down-curved bills.
66. A formal association of people with similar interests.
68. Someone who works (or provides workers) during a strike.
69. A small cake leavened with yeast.
71. American prizefighter who won the world heavyweight championship three times (born in 1942).
73. An actor's line that immediately precedes and serves as a reminder for some action or speech.
77. Being ten more than one hundred forty.
78. Informal terms for a mother.