Meaning: The ratio of the output to the input of any system. Classified under: Nouns denoting relations between people or things or ideas. Hypernyms (efficiency is a kind of...): ratio (the relative magnitudes of two quantities (usually expressed as a quotient))
uk â /ËÃ¦n.tiËsiË.dÉnt/ us â /ËÃ¦n.tÌ¬ÉËsiË.dÉnt/. âº formal someone or something existing or happening before, especially as the cause or origin of something existing or happening later: Charles Babbage's mechanical calculating engines were the antecedents of the modern computer. Many people feel a great curiosity to find out about their antecedents. âº specialized language a word or phrase that a pronoun refers back to: In the sentence He picked a book off the shelf and handed it to Sally, book is the antecedent of it.
a: a theory that the will is free and that deliberate choice and actions are not determined by or predictable from antecedent causes b: a theory that holds that not every event has a cause. 2. : the quality or state of being indeterminate; especially: unpredictability. â inÂ·deÂ·terÂ·minÂ·ist \-ËtÉrm-nist, -ËtÉr-mÉ-\ noun.