Home > Terms > English, UK (UE) > Knob

Knob

A projecting structure on the reef margin or reef front wherein the upper surface flares outward, giving the surface a greater diameter then the basal section.

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Related terms

knob
Natural environment; Coral reefs

A projecting structure on the reef margin or reef front wherein the upper surface flares outward, giving the surface a greater diameter then the basal section.

knobbing
Mining; General mining; Mineral mining

The act of roughdressing stone in the quarry by knocking off the projections and points.

knob
Language; Dictionaries

A hard protuberance; a hard swelling or rising; a bunch; a lump; as, a knob in the flesh, or on a bone.

knob
Language; Dictionaries

To grow into knobs or bunches; to become knobbed.

knobbing
Language; Dictionaries

Rough dressing by knocking off knobs or projections.

knob
Animals; Crustaceans

Type of valve sculpture: Prominent protuberance. Larger than node and differentiated from surrounding area by distinct angulation.

nodulose
Natural environment; Coral reefs

With small nodules, knobs or swellings.

fissure
Natural environment; Coral reefs

A deep and narrow depression cutting across the reef front with origins relating to jointing planes in the reef limestone or non-limestone bedrock.

damselfish
Natural environment; Coral reefs

A large family (Pomacentridae) of bony fishes which are abundant and common inhabitants of coral reefs. They possess robust, deep, and laterally compressed bodies. The majority of ...

complementary resources
Natural environment; Coral reefs

A pair of resources for which consumption by the consumer of one resource reduces its requirement for the other.

antennule
Natural environment; Coral reefs

A small antenna, especially the first pair of antennae in crustaceans.

odontophore
Natural environment; Coral reefs

A tooth-bearing structure found in most mollusks, except bivalves. It consists of several muscles and a cartilage which support the radula and radula sac; the term is also applied ...

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