men·tal /ˈmɛntḷ/
 (a.)精神的,思想的,內心的;智力的,腦力的;精神病的


 men·tal /ˈmɛntḷ/ 形容詞
 精神的,心理的,頦的,頦鱗


 Men·tal a.  Anat. Of or pertaining to the chin; genian; as, the mental nerve; the mental region.


 Men·tal, n. Zool. A plate or scale covering the mentum or chin of a fish or reptile.


 Men·tal, a.  Of or pertaining to the mind; intellectual; as, mental faculties; mental operations, conditions, or exercise.
 What a mental power
 This eye shoots forth!   --Shak.
 Mental alienation, insanity.
 Mental arithmetic, the art or practice of solving arithmetical problems by mental processes, unassisted by written figures.

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 mental
      adj 1: involving the mind or an intellectual process; "mental
             images of happy times"; "mental calculations"; "in a
             terrible mental state"; "mental suffering"; "free from
             mental defects" [ant: physical]
      2: of or relating to the mind; "mental powers"; "mental
         development"; "mental hygiene"
      3: of or relating to the chin- or lip-like structure in insects
         and certain mollusks
      4: of or relating to the chin or median part of the lower jaw
         [syn: genial]
      5: affected by a disorder of the mind; "a mental patient";
         "mental illness"