protrusion

As nouns the difference between retraction and protrusion

is that retraction is retraction, withdrawal while protrusion is (uncountable) the act of protruding.

Protrusion is a related term of swell.

As nouns the difference between protrusion and swell

is that protrusion is (uncountable) the act of protruding while swell is the act of swelling.

As a verb swell is

to become bigger, especially due to being engorged.

As an adjective swell is

excellent.

As nouns the difference between rib and protrusion

is that rib is (acronym) rigid inflatable boat — a lightweight inflatable boat with a rigid hull while protrusion is (uncountable) the act of protruding.

Bulb is a related term of protrusion.

As nouns the difference between bulb and protrusion

is that bulb is any solid object rounded at one end and tapering on the other, possibly attached to a larger object at the tapered end while protrusion is (uncountable) the act of protruding.

As a verb bulb

is to take the shape of a bulb; to swell.

As nouns the difference between convex and protrusion

is that convex is any convex body or surface while protrusion is (uncountable) the act of protruding.

As an adjective convex

is curved or bowed outward like the outside of a bowl or sphere or circle.

As nouns the difference between urethrocele and protrusion

is that urethrocele is (medicine) prolapse of the female urethra into the vagina while protrusion is (uncountable) the act of protruding.

Sac is a related term of protrusion.

As nouns the difference between sac and protrusion

is that sac is while protrusion is (uncountable) the act of protruding.

As a proper noun sac

is .

Protrusion is a related term of tumour.

As nouns the difference between protrusion and tumour

is that protrusion is (uncountable) the act of protruding while tumour is (oncology|pathology) an abnormal growth; differential diagnosis includes abscess, metaplasia, and neoplasia.

Puff is a synonym of protrusion.

As nouns the difference between puff and protrusion

is that puff is (colloquial) brothel, bordello while protrusion is (uncountable) the act of protruding.

Protrusion is a related term of excrescence.

As nouns the difference between protrusion and excrescence

is that protrusion is (uncountable) the act of protruding while excrescence is something, usually abnormal, which grows out of something else.