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1. Maths a record of the steps by which the result of a calculation or the solution of a problem is obtained
3. (of a meal or occasion) during which business discussions are carried on
Carrying on radio communication with a station by means of telegraphy, telephony, or facsimile for a purpose other than calling.
The whole strata excavated in working a seam.
Ground or rocks shifting under pressure and producing noise.
In sea ice navigation, making headway through an ice pack by boring, breaking, and slewing.
The alternate swelling and shrinking in seasoned wood, resulting from moisture content changes that occur with changes in relative humidity of the surrounding air; also called movement.