an act or the process of articulating: the articulation of a form; the articulation of a new thought.
2.
Phonetics.
a.
the act or process of articulating speech.
b.
the adjustments and movements of speech organs involved in pronouncing a particular sound, taken as a whole.
c.
any one of these adjustments and movements.
d.
any speech sound, esp. a consonant.
3.
the act of jointing.
4.
a jointed state or formation; a joint.
5.
Botany.
a.
a joint or place between two parts where separation may take place spontaneously, as at the point of attachment of a leaf.
b.
a node in a stem, or the space between two nodes.
6.
Anatomy,Zoology. a joint, as the joining or juncture of bones or of the movable segments of an arthropod.
7.
Dentistry.
a.
the positioning of teeth in a denture, usually on an articulator, for correct occlusion.
b.
the bringing of opposing tooth surfaces into contact with each other.
c.
the relations of the upper and lower natural or artificial teeth in occlusion.
8.
a measure of the effectiveness of a telephonic transmission system in reproducing speech comprehensibly, expressed as the percentage of speech units uttered that is correctly understood.
[Origin: 1400–50; late ME articulacio(u)n < MF < L articulātiōn-, s. of articulātiō.See articulate, -ion]
1541, "the action of bending the joints," from O.Fr. articulation, from M.L. articulationem (nom. articulatio), from articulatus, pp. of articulare "to separate (meat) into joints," also "to utter distinctly," from articulus, dim. of artus "joint" (see article). Articulate (v.) in the sense of "divide (vocal sounds) into distinct and significant parts" is first recorded 1594; generalized sense of "express in words" is from 1691.
Ar*tic`u*la"tion\, n. [Cf. F. articulation, fr. L. articulatio.]1. (Anat.) A joint or juncture between bones in the skeleton. Note: Articulations may be immovable, when the bones are directly united (synarthrosis), or slightly movable, when they are united intervening substance (amphiarthrosis), or they may be more or less freely movable, when the articular surfaces are covered with synovial membranes, as in complete joints (diarthrosis). The last (diarthrosis) includes hinge joints, admitting motion in one plane only (ginglymus), ball and socket joints (enarthrosis), pivot and rotation joints, etc. 2. (Bot.) (a) The connection of the parts of a plant by joints, as in pods. (b) One of the nodes or joints, as in cane and maize. (c) One of the parts intercepted between the joints; also, a subdivision into parts at regular or irregular intervals as a result of serial intermission in growth, as in the cane, grasses, etc. --Lindley. 3. The act of putting together with a joint or joints; any meeting of parts in a joint. 4. The state of being jointed; connection of parts. [R.] That definiteness and articulation of imagery. --Coleridge. 5. The utterance of the elementary sounds of a language by the appropriate movements of the organs, as in pronunciation; as, a distinct articulation. 6. A sound made by the vocal organs; an articulate utterance or an elementary sound, esp. a consonant.
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