*pact*

v. t. [ imp. & p. p. Compacted; p. pr. & vb. n. Compacting. ] 1. To thrust, drive, or press closely together; to join firmly; to consolidate; to make close; -- as the parts which compose a body. [ 1913 Webster ]

Now the bright sun compacts the precious stone. Blackstone. [ 1913 Webster ]

2. To unite or connect firmly, as in a system. [ 1913 Webster ]

The whole body fitly joined together and compacted by that which every joint supplieth. Eph. iv. 16. [ 1913 Webster ]

n. [ L. compactum, fr. compacisci, p. p. compactus, to make an agreement with; com- + pacisci to make an agreement. See Pact. ] An agreement between parties; a covenant or contract. [ 1913 Webster ]

The law of nations depends on mutual compacts, treaties, leagues, etc. Blackstone. [ 1913 Webster ]

Wedlock is described as the indissoluble compact. Macaulay. [ 1913 Webster ]

The federal constitution has been styled a compact between the States by which it was ratified. Wharton.

Syn. -- See Covenant. [ 1913 Webster ]

n. a disk-shaped optical data storage medium approximately 4-3/4 in. in diameter, which stores binary data as microscopic nonreflective holes or pits in an otherwise reflective surface, and is recorded and played back by rotation in an electronic device containing a laser. It is often referred to by its abbreviation CD. It is a type of optical data storage medium. Compact disks are used for recordings of music as well as of data for computer applications.
Syn. -- CD. [ WordNet 1.5 +PJC ]

n. an electronic device containing a laser, used to read or play back the data on a compact disk. The term is usually used for the type of device used to play music recordings. That used for data storgage n coputer applications is usually called a CD drive. Called also CD player and informally, CD.
Syn. -- CD player. [ PJC ]

a. Compact; pressed close; concentrated; firmly united. [ 1913 Webster ]

adv. In a compact manner. [ 1913 Webster ]

n. A state of being compact. [ 1913 Webster ]

n. One who makes a compact. [ 1913 Webster ]

a. That may be compacted. [ 1913 Webster ]

n. [ L. compactio. ] The act of making compact, or the state of being compact. [ Obs. ] Bacon. [ 1913 Webster ]

adv. In a compact manner; with close union of parts; densely; tersely. [ 1913 Webster ]

n. The state or quality of being compact; close union of parts; density. [ 1913 Webster ]

n. [ L. compactura. ] Close union or connection of parts; manner of joining; construction. [ Obs. ] “With comely compass and compacture strong.” Spenser. [ 1913 Webster ]

n. [ F. épacte, fr. Gr. 'epakto`s brought on or in, added, fr. 'epa`gein to bring on or in; 'epi` on, in + 'a`gein to bring or lead. See Epi-, and Act. ] (Chron.) The moon's age at the beginning of the calendar year, or the number of days by which the last new moon has preceded the beginning of the year. [ 1913 Webster ]

Annual epact, the excess of the solar year over the lunar year, -- being eleven days. --
Menstrual epact, or
Monthly epact, the excess of a calendar month over a lunar. [ 1913 Webster ]

v. t. [ imp. & p. p. Impacted; p. pr. & vb. n. Impacting. ] [ L. impactus, p. p. of impingere to push, strike against. See Impinge. ] 1. To drive close; to press firmly together: to wedge into a place. Woodward. [ 1913 Webster ]

2. To affect or influence, especially in a significant or undesirable manner; as, budget cuts impacted the entire research program; the fish populations were adversely impacted by pollution. [ PJC ]

3. To collide forcefully with; to strike. [ PJC ]

n. 1. Contact or impression by touch; collision; forcible contact; force communicated. [ 1913 Webster ]

The quarrel, by that impact driven. Southey. [ 1913 Webster ]

2. (Mech.) The single instantaneous stroke of a body in motion against another either in motion or at rest. [ 1913 Webster ]

a. 1. Driven together or close. [ 1913 Webster ]

2. Specifically: (Dentistry) Grown in an abnormal direction so that it is wedged against another tooth and cannot erupt normally; -- of teeth, especially the third molar; as, to extract an impacted third molar. [ PJC ]

Impacted fracture (Surg.), a fracture in which the fragments are driven into each other so as to be immovable. [ 1913 Webster ]

n. [ L. impactio a striking : cf. F. impaction. ] 1. (Surg.) The driving of one fragment of bone into another so that the fragments are not movable upon each other; as, impaction of the skull or of the hip. [ 1913 Webster ]

2. An immovable packing; (Med.), a lodgment of something in a strait or passage of the body; as, impaction of the fetal head in the strait of the pelvis; impaction of food or feces in the intestines of man or beast. [ 1913 Webster ]

{ } a. Not compact; not having the parts firmly united; not solid; incoherent; loose; discrete. Boyle. [ 1913 Webster ]

‖ [ L., a nude pact. ] (Law) A bare, naked contract, without any consideration and therefore unenforceable in a court of law. Tomlins. [ 1913 Webster +PJC ]

n. [ L. pactum, fr. paciscere to make a bargain or contract, fr. pacere to settle, or agree upon; cf. pangere to fasten, Gr. phgny`nai, Skr. pāça bond, and E. fang: cf. F. pacte. Cf. Peace, Fadge, v. ] An agreement; a league; a compact; a covenant. Bacon. [ 1913 Webster ]

The engagement and pact of society which goes by the name of the constitution. Burke. [ 1913 Webster ]

n. [ L. pactio: cf. F. paction. See Pact. ] An agreement; a compact; a bargain. [ R. ] Sir W. Scott. [ 1913 Webster ]

a. Of the nature of, or by means of, a paction. Bp. Sanderson. [ 1913 Webster ]

a. [ L. pactitius, pacticius. ] Setted by a pact, or agreement. [ R. ] Johnson. [ 1913 Webster ]

a. Pertaining to the Pactolus, a river in ancient Lydia famous for its golden sands. [ 1913 Webster ]

v. t. To compact or join anew. “Recompact my scattered body.” Donne. [ 1913 Webster ]

a. Half compact; imperfectly indurated. [ 1913 Webster ]