**slide-rule** — also slide rule, calculating tool, 1838, from SLIDE (Cf. slide) (v.) + RULE (Cf. rule) (n.). So called for its method of operation … Etymology dictionary

**Slide rule** — Slide Slide, n. [AS. sl[=i]de.] 1. The act of sliding; as, a slide on the ice. [1913 Webster] 2. Smooth, even passage or progress. [1913 Webster] A better slide into their business. Bacon. [1913 Webster] 3. That on which anything moves by sliding … The Collaborative International Dictionary of English

**slide rule** — slide rules N COUNT A slide rule is an instrument that you use for calculating numbers. It looks like a ruler and has a middle part that slides backwards and forwards … English dictionary

**slide rule** — n an old fashioned instrument used for calculating numbers, that looks like a ruler and has a middle part that slides across … Dictionary of contemporary English

**slide rule** — slide ,rule noun count a simple piece of equipment like a RULER with a piece in the middle that slides along, used for calculating … Usage of the words and phrases in modern English

**slide rule** — slide′ rule n. math. a mechanical calculator consisting of a ruler with a sliding section, both bearing logarithmic scales • Etymology: 1875–80 … From formal English to slang

**slide rule** — ► NOUN ▪ a ruler with a sliding central strip, marked with logarithmic scales and used for making rapid calculations … English terms dictionary

**slide rule** — n. a mechanical mathematical device consisting of a ruler with a central sliding piece, both parts being marked with various number scales: used to find square roots, logarithms, quotients, etc. rapidly … English World dictionary

**Slide rule** — For other uses, see Slide rule (disambiguation). A typical ten inch student slide rule (Pickett N902 T simplex trig). The slide rule, also known colloquially as a slipstick,[1] is a mechanical analog computer. The slide rule is used primarily for … Wikipedia

**slide rule** — a device for performing mathematical calculations, consisting essentially of a ruler having a sliding piece moving along it, both marked with graduated, usually logarithmic, scales: now largely replaced by the electronic calculator. [1655 65 for… … Universalium