Ad- (prefix)
Latin prefix meaning “toward” and “in the direction of” (among other things) as, for example, in adduction (movement of a limb toward the midline of the body), adrenal (toward the kidney).

Medical dictionary. 2011.

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  • ad- — prefix (also a before sc, sp, st, ac before c, k, q, af before f, ag before g, al before l, an before n, ap before p, ar before r, as before s, at before t) 1 with the sense of motion or direction to, reduction or change into, addition, adherence …   Useful english dictionary

  • ad- — prefix expressing direction toward or in addition to, from L. ad to, toward in space or time; with regard to, in relation to, as a prefix, sometimes merely emphatic, from PIE *ad to, near, at (cognate with O.E. æt; see AT (Cf. at)). Simplified to …   Etymology dictionary

  • ad-1 (*hed-) —     ad 1 (*hed )     English meaning: to, by, at     Deutsche Übersetzung: “zu, bei, an”     Material: Phryg. αδ δακετ “ he does “; Maced. ἄδ δαι ῥυμοί (Schwyzer Gk. I 69); Lat. ad “ to, with, in “, preverb and preposition m. acc., also gen.… …   Proto-Indo-European etymological dictionary

  • ad. — 1. adverb. 2. advertisement. * * * ad. /ad/ (tennis, N American) abbrev Advantage * * * ad1 «ad», noun. Informal. an advertisement: »... the breathless, exotic coquetry of the cosmetic ads (Saturday Review). Usage …   Useful english dictionary

  • ad- — Prefix denoting increase, adherence, to, toward; near; very. [L. ad, to, toward; ] * * * prefix denoting towards or near. Examples: adaxial (towards the main axis); adoral (towards or near the mouth). * * * [L. ad to] a prefix meaning to or… …   Medical dictionary

  • ad- — [ad, əd, id] [L ad , to, at, toward; akin to AT1] prefix motion toward, addition to, nearness to [adsorb, adjoin, adrenal]: In words of Latin origin it becomes ac before c or q; af before f; ag before g; al before l; an before n; ap before p; ar… …   English World dictionary

  • Ad-Dharm — (also Ad Dharam) is a term for the followers of a political/spiritual movement launched by Arya Samajists Pandit Vasant Rai, Pandit Thakur Chand and Swami Shrudranand, and former Arya Samajist Mangoo Ram. The term Ad Dharm was used by many… …   Wikipedia

  • Ad- — [A Latin preposition, signifying to. See {At}.] As a prefix ad assumes the forms ac , af , ag , al , an , ap , ar , as , at , assimilating the d with the first letter of the word to which ad is prefixed. It remains unchanged before vowels, and… …   The Collaborative International Dictionary of English

  • ad- — (also a before sc, sp, st; ac before c, k, q; af before f; ag before g; al before l; an before n; ap before p; ar before r; as before s; at before t) …   English terms dictionary

  • ad- — (prefix) to, on the side of …   Dictionary of ichthyology

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