Words starting with negativecata
Maybe these words will be useful:
- negative ion — an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons, as a cation (positive ion) which is created by electron loss and is attracted to the cathode in electrolysis, or as an anion (negative ion) which is created by an electron gain and is attracted to the anode. The valence of an ion is equal to the number of electrons lost or gained and is indicated by a plus sign for cations and a minus sign for anions, thus: Na + , Cl−, Ca ++ , S = .
- negative lens — a lens that causes a beam of parallel rays to diverge after refraction, as from a virtual image; a lens that has a negative focal length.
- negative option — a clause in a sales contract, as for a series of books or records, that provides that merchandise will be sent periodically to the subscriber unless he or she notifies the company in writing that it is not wanted.
- negative polarity — the grammatical character of a word or phrase, such as ever or any, that may normally be used only in a semantically or syntactically negative or interrogative context
- negative profit — a financial loss
- negative reinforcement — form of conditioning
- negative resistance — a characteristic of certain electronic components in which an increase in the applied voltage increases the resistance, producing a proportional decrease in current
- negative sign — bad omen