a|rach|noid

a|rach|noid
a|rach|noid «uh RAK noyd», adjective, noun.
–adj.
1. of or resembling an arachnid.
2. of or designating the delicate serous membrane enveloping the brain and spinal cord, lying between the dura mater and pia mater.
3. like a cobweb.
4. Botany. covered with or formed of long, delicate, cobweblike hairs or fibers.
–n.
1. = arachnid. (Cf.arachnid)
2. the arachnoid membrane.
[< New Latin arachnoides < Greek arachnoeidēs cobweblike < aráchnē spider, web]

Useful english dictionary. 2012.

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  • sub|a|rach|noid — «SUHB uh RAK noyd», adjective, noun. –adj. situated or taking place beneath the arachnoid membrane: »subarachnoid hemorrhage. –n. the space between the arachnoid membrane and the pia mater …   Useful english dictionary

  • Subarachnoid — Sub a*rach noid, Subarachnoidal Sub*ar ach*noid al, a. (Anat.) Situated under the arachnoid membrane. [1913 Webster] …   The Collaborative International Dictionary of English

  • Subarachnoidal — Subarachnoid Sub a*rach noid, Subarachnoidal Sub*ar ach*noid al, a. (Anat.) Situated under the arachnoid membrane. [1913 Webster] …   The Collaborative International Dictionary of English

  • Arachnoid — A*rach noid, a. [Gr. ? like a cobweb; ? spider, spider s web + e i^dos form.] 1. Resembling a spider s web; cobweblike. [1913 Webster] 2. (Anat.) Pertaining to a thin membrane of the brain and spinal cord, between the dura mater and pia mater.… …   The Collaborative International Dictionary of English

  • Arachnoid — A*rach noid, n. 1. (Anat.) The arachnoid membrane. [1913 Webster] 2. (Zo[ o]l.) One of the Arachnoidea. [1913 Webster] …   The Collaborative International Dictionary of English

  • arachnoid — a•rach•noid [[t]əˈræk nɔɪd[/t]] adj. 1) ent of or belonging to the arachnids 2) anat. of or pertaining to the arachnoid 3) bot Bot. formed of or covered with long, delicate hairs or fibers 4) anat. the serous membrane forming the middle of the… …   From formal English to slang

  • subarachnoid — sub a•rach′noid adj …   From formal English to slang

  • a — acar·a·pis; ac·a·ri·a·sis; ac·a·ri·a·sis; ac·a·ri·na; ac·a·ri·nar·i·um; ac·a·rine; ac·a·ri·nol·o·gy; ac·a·ri·no·sis; ac·a·ro·ce·cid·i·um; ac·a·roid; ac·a·rol·o·gist; ac·a·rol·o·gy; ac·a·ro·pho·bia; ac·a·rus; acat·a·lep·sy; acat·a·lex·is;… …   English syllables

  • y — ac·an·thol·y·sis; ac·e·tol·y·sis; acet·y·lase; acet·y·late; acet·y·la·tion; acet·y·la·tor; acet·y·le·na·tion; acet·y·lene; acet·y·le·nic; acet·y·le·nyl; acet·y·lide; acet·y·li·za·tion; acet·y·liz·er; ace·tyl·sa·lic·y·late; achlam·y·date;… …   English syllables

  • pa — ac·com·pa·ni·er; ac·com·pa·ni·ment; ac·com·pa·nist; ac·com·pa·ny; aco·pa; adre·no sym·pa·thet·ic; af·ro·pa·vo; ag·pa·ite; ali·pa·ta; ama·pa; am·pa·la·ya; am·pa·ro; am·phi·car·pa; anas·pa·lin; an·tic·i·pa·tion; an·tic·i·pa·tive; an·tic·i·pa·tor;… …   English syllables

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