Helper



[hel-per] /ˈhɛl pər/

noun
1.
a person or thing that or gives assistance, support, etc.
2.
an extra locomotive attached to a train at the front, middle, or rear, especially to provide extra power for climbing a steep grade.
Compare , (def 5).
n.

mid-14c., agent noun from help (v.). Helpestre “a female helper” is recorded from c.1400. The Old English agent noun was helpend.

Related Terms

boilermaker

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  • Helper cell

    helper cell help·er cell (hěl’pər) n. A T cell that promotes the activation and functions of B cells and other T cells. Also called helper T cell. helper T cell also helper cell (hěl’pər) Any of various T cells that, when stimulated by a specific antigen, release lymphokines that promote the activation and function of […]

  • Helper-t-cell

    noun, Immunology. 1. a T cell that stimulates B cells to produce antibody against a foreign substance, using lymphokines or direct contact as a signal. helper T cell also helper cell (hěl’pər) Any of various T cells that, when stimulated by a specific antigen, release lymphokines that promote the activation and function of B cells […]



  • Helpful

    [help-fuh l] /ˈhɛlp fəl/ adjective 1. giving or rendering aid or assistance; of service: Your comments were very helpful. /ˈhɛlpfʊl/ adjective 1. serving a useful function; giving help adj. late 14c., from help (n.) + -ful. Related: Helpfully; helpfulness.

  • Helpfully

    [help-fuh l] /ˈhɛlp fəl/ adjective 1. giving or rendering aid or assistance; of service: Your comments were very helpful. /ˈhɛlpfʊl/ adjective 1. serving a useful function; giving help adj. late 14c., from help (n.) + -ful. Related: Helpfully; helpfulness.



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