1. the act of injecting.
  2. something that is injected.
  3. a liquid injected into the body, especially for medicinal purposes, as a hypodermic or an enema.
  4. state of being hyperemic or bloodshot.
  5. Mathematics. a one-to-one function.
  6. Also called insertion. Aerospace. the process of putting a spacecraft into orbit or some other desired trajectory.


  1. fluid injected into the body, esp for medicinal purposes
  2. something injected
  3. the act of injecting
    1. the act or process of introducing fluid under pressure, such as fuel into the combustion chamber of an engine
    2. (as modifier)injection moulding
  4. maths a function or mapping for which f(x) = f(y) only if x = ySee also surjection, bijection

“forcing a fluid into a body” (with a syringe, etc.), early 15c., from Middle French iniection (14c.) or directly from Latin iniectionem (nominative iniectio), noun of action from past participle stem of inicere (see inject).


  1. The act of injecting a substance into a tissue, vessel, canal, or organ.
  2. Something that is injected, especially a dose of liquid medicine injected into the body.
  3. Congestion or hyperemia.

  1. A substance that is introduced into a organism, especially by means of a hypodermic syringe, as a liquid into the veins or muscles of the body.
  2. A function that maps each member of one set (the domain) to exactly one member of another set (the range). Compare bijection surjection.

Leave a Reply

Your email address will not be published. Required fields are marked *

50 queries 1.412