helper (noun)
1helper — help ► VERB 1) make it easier for (someone) to do something. 2) improve (a situation or problem). 3) (help someone to) serve someone with (food or drink). 4) (help oneself) take something without permission. 5) (can/could not help) cannot or …
2helper T cell — noun T cell with CD4 receptor that recognizes antigens on the surface of a virus infected cell and secretes lymphokines that stimulate B cells and killer T cells; helper T cells are infected and killed by the AIDS virus • Syn: ↑helper cell, ↑CD4… …
3helper — mid 14c., agent noun from HELP (Cf. help) (v.). Helpestre a female helper is recorded from c.1400. The O.E. agent noun was helpend …
4helper T cell — noun Date: 1974 a T cell that participates in an immune response by recognizing a foreign antigen and secreting lymphokines to activate T cell and B cell proliferation and that usually carries CD4 molecular markers on its cell surface called also …
5helper cell — noun T cell with CD4 receptor that recognizes antigens on the surface of a virus infected cell and secretes lymphokines that stimulate B cells and killer T cells; helper T cells are infected and killed by the AIDS virus • Syn: ↑helper T cell,… …
6helper T lymphocyte — or helper T cell noun (immunology) A thymus derived lymphocyte which co operates with B lymphocytes to enable them to produce an antibody when stimulated by an antigen • • • Main Entry: ↑help …
7helper cell — noun see helper T cell …
8helper — UK US /ˈhelpər/ noun [C] ► someone who helps another person to do their job: »classroom/domestic helpers »voluntary/volunteer helpers …
9helper — noun ADJECTIVE ▪ willing ▪ voluntary, volunteer (both BrE) ▪ little ▪ He became Dad s little helper. ▪ domestic …
10helper — noun (C) 1 someone who helps another person: She s the cook s helper. 2 AmE someone who is employed to do some of the work in someone else s home …