Mateology, mat-ē-ol′o-ji, n. a foolish inquiry. [Gr. mataios, vain, matē, folly, logia, discourse.]

Mater, mā′tėr, n. a mother: one of the two membranes of the brain, outer and inner, separated by the arachnoid—the dura mater, or dura, and pia mater, or pia.—Mā′ter dolorō′sa, the Virgin Mary represented as the sorrowing mother; Māterfamil′ias, the mother of a family. [L.,—Gr. mētēr.]

Material, ma-tē′ri-al, adj. consisting of matter: corporeal, not spiritual: substantial: essential: important, esp. of legal importance: (phil.) pertaining to matter and not to form, relating to the object as it exists.—n., esp. in pl., that out of which anything is to be made.—n. Materialisā′tion.—v.t. Matē′rialīse, to render material: to reduce to or regard as matter: to occupy with material interests.—ns. Matē′rialism, the doctrine that denies the independent existence of spirit, and maintains that there is but one substance—viz. matter—thus professing to find in matter (monistic or philosophical materialism), or in material entities (atomistic materialism), or in material qualities and forces (scientific or physical materialism), a complete explanation of all life and existence whatsoever; Matē′rialist, one who holds the doctrine of materialism: one absorbed in material interests, who takes a low view of life and its responsibilities.—adjs. Materialist′ic, -al, pertaining to materialism.—adv. Matē′rially.—ns. Matē′rialness, Material′ity.—Material being, existence in the form of matter; Material cause, that which gives being to the thing; Material distinction, a distinction between individuals of the same species; Material evidence, evidence tending to prove or to disprove the matter under judgment; Material fallacy, a fallacy in the matter or thought, rather than in the logical form; Material form, a form depending on matter; Material issue (see Issue).—Raw material, stuff as yet unworked into anything useful. [Fr.,—L. materialismateria.]

Materia medica, ma-tē′ri-a med′i-ka, n. the various substances used in making up medicines: the science of the nature and use of substances used as medicines. [L. materia, material, medicus, medical.]

Matériel, ma-tā-re-el′, n. the totality of materials or instruments employed (as in an army), as distinguished from the personnel or men—applied esp. to military stores, arms, baggage, horses, &c. [Fr.]

Maternal, ma-tėr′nal, adj. belonging to a mother: motherly.—adv. Mater′nally.—n. Mater′nity, the state, character, or relation of a mother: motherhood: a lying-in hospital. [Fr. maternel (It. maternale)—L. maternusmater, mother.]

Math, math, n. a mowing.

Mathematic, -al, math-e-mat′ik, -al, adj. pertaining to, or done by, mathematics: very accurate.—adv. Mathemat′ically.—ns. Mathematic′ian, one versed in mathematics; Mathemat′ics, the science of magnitude and number, and of all their relations—usually divided into Pure, and Mixed or Applied, the first including all deductions from the abstract, self-evident relations of magnitude and number—the second, the results arrived at by applying the principles so established to certain relations found by observation to exist among the phenomena of nature.—Higher mathematics, a term applied generally to all the scientifically treated branches of mathematics. [Fr. mathématique—L. mathematica—Gr. mathēmatikē (epistēmē, skill, knowledge), relating to learning—mathēmamanthanein, to learn.]

Mathesis, ma-thē′sis, n. mental discipline. [Gr.]

Matico, ma-tē′ko, n. a Peruvian shrub, used in medicine as a styptic and astringent.