-log
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
log1
(lɔg, lɒg)
n., v. logged, log•ging. n. 1. a portion or length of the trunk or of a large limb of a felled tree.
2. something inert, heavy, or not sentient.
3. a record concerning details of the trip of a ship or aircraft.
4. a register of the operation of a machine.
5. any of various detailed, usu. sequential records, as of the progress of an activity.
6. a written account of everything transmitted by a radio or television station or network.
7. any of various devices for determining the speed of a ship.
v.t. 8. to cut (trees) into logs.
9. to cut down the trees or timber on (land).
10. to enter in a log; compile.
11. to make (a certain speed), as a ship or airplane: to log 18 knots.
12. to travel for (a certain distance or a certain amount of time), according to the record of a log: He has logged 10,000 hours flying time.
v.i. 13. to cut down trees and get out logs from the forest for timber.
14. log in or on, to gain access to a secured computer system or online service by keying in personal identification information.
15. log off or out, to terminate a session on such a system or service.
[1350–1400; Middle English
logge unshaped piece of wood (of obscure orig.); (definitions
4-9) shortening of
logbook]
log′gish, adj.
log2
(lɔg, lɒg)
n. log-
var. of
logo- before a vowel:
logarithm. -log
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.