[adj. kuh
m-pakt, kom-, kom-pakt; v. kuhm-pakt; n. kom-pakt] 
| 1. | joined or packed together; closely and firmly united; dense; solid: compact soil. |
| 2. | arranged within a relatively small space: a compact shopping center; a compact kitchen. |
| 3. | designed to be small in size and economical in operation. |
| 4. | solidly or firmly built: the compact body of a lightweight wrestler. |
| 5. | expressed concisely; pithy; terse; not diffuse: a compact review of the week's news. |
| 6. | composed or made (usually fol. by of): a book compact of form and content. |
| 7. | Also, bicompact. Mathematics. (of a set) having the property that in any collection of open sets whose union contains the given set there exists a finite number of open sets whose union contains the given set; having the property that every open cover has a finite subcover. |
| 8. | to join or pack closely together; consolidate; condense. |
| 9. | to make firm or stable. |
| 10. | to form or make by close union or conjunction; make up or compose. |
| 11. | Metallurgy. to compress (metallic or metallic and nonmetallic powders) in a die to be sintered. |
| 12. | to crush into compact form for convenient disposal or for storage until disposal: to compact rubbish. |
| 13. | a small case containing a mirror, face powder, a puff, and sometimes rouge. |
| 14. | Also called compact car. an automobile that is smaller than an intermediate but larger than a subcompact and generally has a combined passenger and luggage volume of 100–110 cu. ft. (2.8–3.1 m3). |
| 15. | Metallurgy. (in powder metallurgy) an object to be sintered formed of metallic or of metallic and nonmetallic powders compressed in a die. |