occlusal

noun

1. the act or state of occluding or the state of being occluded.
2. Dentistry. the fitting together of the teeth of the lower jaw with the corresponding teeth of the upper jaw when the jaws are closed.
3. Pathology. closure or blockage of a blood vessel: coronary occlusion.
4. Phonetics. momentary complete closure at some area in the vocal tract, causing stoppage of the flow of air and accumulation of pressure.
5. Meteorology.
   1. the formation of an occluded front.
   2. occluded front.

noun

1. the act or process of occluding or the state of being occluded
2. meteorol another term for occluded front
3. dentistry the normal position of the teeth when the jaws are closed
4. phonetics the complete closure of the vocal tract at some point, as in the closure prior to the articulation of a plosive

n.1640s, from Medieval Latin occlusionem (nominative occlusio), noun of action from past participle stem of Latin occludere (see occlude). Dentistry sense is from 1880. adj.

1. Of or relating to occlusion or closure.
2. Of or relating to the contacting surfaces of opposing teeth, especially the biting or chewing surfaces.

n.

1. The act of occluding or the state of being occluded.
2. An obstruction or closure of a body passage.
3. Any contact between the cutting or chewing surfaces of opposing teeth.
4. The alignment of the teeth of the upper and lower jaws when brought together.
5. The absorption of a gas or other substance, as by a metal.
6. The inclusion of one substance within another.

1. An obstruction in a passageway, especially of the body.
2. The alignment of the upper and lower sets of teeth with each other.