Inhibitor

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inhibitor

[in′hib·əd·ər]
(aerospace engineering)
A substance bonded, taped, or dip-dried onto a solid propellant to restrict the burning surface and to give direction to the burning process.
(chemistry)
A substance which is capable of stopping or retarding a chemical reaction; to be technically useful, it must be effective in low concentration.

Inhibitor

 

a circuit having m + n inputs and a single output, at which a signal can appear only when there are no signals on the m inputs (inhibiting). The other n inputs (principal) form one of the two logic connections, “AND” or “OR.” Inhibitors are used extensively in computers. They are very often understood to be a circuit having a single principal input and a single inhibiting input. A signal appears at the output of such a circuit when a signal is present on the principal input but there is none on the inhibiting input. Such an inhibitor is called an anticoincidence gate; its conventional representation is given in Figure 1.

Figure 1. Block diagram of an anticoincidence gate (inhibitor) with m — 1 and n 1:(A) principal input, (Q) inhibiting input, (Ga) anticoincidence gate

inhibitor

A substance added to paint to retard drying, skinning, mildew growth, etc. Also see corrosion inhibitor, inhibiting pigment, drying inhibitor.
References in periodicals archive ?
Direct effects, compensation, and recovery in female fathead minnows exposed to a model aromatase inhibitor.
Uchida D, Yamashita M, Kitano T, Iguchi T (2004) An aromatase inhibitor or high water temperature induces oocyte apoptosis and depletion of P450 aromatase activity in the gonads of genetic female zebrafish during sex-reversal.
Treatment with an aromatase inhibitor suppresses high-temperature feminization of genetic male (YY) Nile tilapia.
However, if you're taking vitamin D to protect against the pain from aromatase inhibitors, D2 might be better.
1-4,6-8 Aromatase inhibitors have consistently shown tumouricidal activity in vitro (in granulose cell lines) and in vivo experimental systems.
However, some oncologists advise against tamoxifen therapy and prescribe aromatase inhibitors instead.
Combining DHEA-sulfate with an aromatase inhibitor may thus offer a new therapeutic strategy for individuals fighting certain types of breast cancers.
Use of an aromatase inhibitor for induction of ovulation in patients with an inadequate response to clomiphene citrate.
Femara is a type of drug called an aromatase inhibitor which stops the natural production of oestrogen - the hormone that is responsible for the growth and recurrence of many breast cancers.
Coordinated by the National Cancer Institute of Canada Clinical Trials Group (NCIC CTG), the ExCel research study will examine the potential benefit of the aromatase inhibitor exemestane.
In a recent trial comparing the aromatase inhibitor anastrozole (Arimidex) with tamoxifen, anastrozole significantly decreased spinal and hip bone mass after a median follow-up of 33 months, compared with tamoxifen.
Exemestane is a type of drug called an aromatase inhibitor which stops natural production of oestrogen, the hormone responsible for the growth and recurrence of many breast cancers.