Dictionary Check: occlusion

"occlusion" is a valid word!

Scrabble 13 points
Words with Friends 18 points

Definition

noun

closure or blockage (as of a blood vessel)

noun

(meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft

Synonyms:
noun

(dentistry) the normal spatial relation of the teeth when the jaws are closed

noun

an obstruction in a pipe or tube

Example: "we had to call a plumber to clear out the blockage in the drainpipe"
noun

the act of blocking

Synonyms:

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