log
noun
1. a segment of the trunk of a tree when stripped of branches
Definition categories: substance, wood
2. the exponent required to produce a given number
Similar word(s): logarithm
Definition categories: communication, exponent, index, power
3. a written record of messages sent or received
- they kept a log of all transmission by the radio station
- an email log
Definition categories: communication
4. a written record of events on a voyage (of a ship or plane)
Definition categories: communication
5. measuring instrument that consists of a float that trails from a ship by a knotted line in order to measure the ship's speed through the water
Definition categories: man–made
Sentences with log as a noun:
- They walked across the stream on a fallen log.
- To multiply two numbers, add their logs.