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Home›Glossary›C

Glossary

concave

Curving inwards; hollowed out. Opposite of convex.

Used in 44 species profiles

Acrochordonichthys gyrinus
Acrossocheilus iridescens
Betta miniopinna
Corydoras flaveolus
Corydoras lacrimostigmata
Serrasalmus brandtii

Related terms

ball valve
Type of shutoff valve comprising a free-floating ball with a cylindrical-shaped hole in it that sits in a concave-shaped depression over an opening.
convex
Arched; curved outwards. Oppsite of concave.
emarginate
Having a notched margin or edge. Often used in reference to a caudal fin with a slightly concave shape.
meniscus
Curve caused by surface tension visible in the upper surface of a liquid close to the side of a container or other object. My be concave or convex in shape depending on the liquid and surface involved.

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Seriously Fish · est. 2009

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