Synonyms of the word

extinguishing

• v. present participle of extinguish.

conclusion

• n. The end, finish, close or last part of something.
• n. The outcome or result of a process or act.
• n. A decision reached after careful thought.
• n. (logic) In an argument or syllogism, the proposition that follows as a necessary consequence of the premises.
• n. (obsolete) An experiment, or something from which a conclusion may be drawn.
• n. (law) The end or close of a pleading, e.g. the formal ending of an indictment, "against the peace", etc.
• n. (law) An estoppel or bar by which a person is held to a particular position.

ending

• v. present participle of end.
• n. A termination or conclusion.
• n. The last part of something.
• n. (grammar) The last morpheme of a word, added to some base to make an inflected form (such as -ing in "ending").

extinction

• n. The action of making or becoming extinct; annihilation.
• n. (astronomy) The absorption or scattering of electromagnetic radiation emitted by astronomical objects…

quenching

• n. (physics) The extinction of any of several physical properties.
• n. The rapid cooling of a hot metal object, by placing it in a liquid, in order to harden it.
• v. present participle of quench.

termination

• n. The process of terminating or the state of being terminated.
• n. The process of firing an employee; ending one's employment at a business for any reason.
• n. An end in time; a conclusion.
• n. An end in space; an edge or limit.
• n. An outcome or result.
• n. The last part of a word; an ending, a desinence; a suffix.
• n. (medicine) An induced abortion.
• n. (obsolete, rare) A word, a term.
• n. The ending up of a polypeptid chain.