- base
- base1noun1》 the lowest part of something, especially the part on which it rests or is supported.↘Architecture the part of a column between the shaft and pedestal or pavement.↘Botany & Zoology the end at which a part or organ is attached to the trunk or main participle2》 a conceptual structure or entity on which something draws or depends: the town's economic base collapsed.↘a foundation or starting point.3》 a person's main place of work or residence.↘a centre of operations for military or other activity.4》 a main element or ingredient to which other things are added.↘a substance into which a pigment is mixed to form paint.5》 Chemistry a substance capable of reacting with an acid to form a salt and water, or of accepting or neutralizing hydrogen ions.6》 Electronics the middle part of a bipolar transistor, separating the emitter from the collector.7》 Linguistics the root or stem of a word or a derivative.↘the uninflected form of a verb.8》 Mathematics a number used as the basis of a numeration scale.↘a number in terms of which other numbers are expressed as logarithms.9》 Baseball one of the four stations that must be reached in turn to score a run.verb1》 (base something on) use something as the foundation for: the film is based on a novel.2》 use a place as a centre of operations.Phrasesget to first base informal, chiefly N. Amer. achieve the first step towards one's objective.off base informal mistaken.touch base informal briefly make or renew contact.Derivatives-based adjectiveOriginME: from OFr., from L. basis 'base, pedestal', from Gk.————————base2adjective1》 without moral principles; ignoble.2》 archaic denoting or befitting a person of low social class.3》 (of coins or other articles) not made of precious metal.Derivativesbasely adverbbaseness nounOriginME (in the sense 'low, short'): from OFr. bas, from med. L. bassus 'short' (found in classical L. as a cognomen).
English new terms dictionary. 2014.