A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today. Definition and synonyms of commodity from the online English dictionary from Macmillan Publishers Limited.
The definition of a presage is a feeling or warning about something that's going to happen. An example of a presage is a bomb threat being called in. a sign or warning of a future event; omen; portent; augury. a foreboding; presentiment.
preÂ·curÂ·sor. That which precedes another or from which another is derived, applied especially to a physiologically inactive substance that is converted to an active enzyme, vitamin, hormone, etc., or to a chemical substance that is built into a larger structure in the course of synthesizing the latter.preÂ·curÂ·sor/ (preÂ´kur-ser) something that precedes. In biological processes, a substance from which another, usually more active or mature, substance is formed. In clinical medicine, a sign or symptom that heralds another.precurÂ´sory.