(geology) A depression caused by the Afar Triple Junction, which is part of the Great Rift Valley in East Africa.

plural of ideal triangle

plural of sternocostal triangle

(anatomy) Small zones lying between the costal and sternal attachments of the thoracic diaphragm.

A region on the southern end of the Nouabalé-Ndoki National Park in the Republic of the Congo.

Alternative letter-case form of iron triangle

(geometry) A right triangle.

(geometry) An obtuse triangle.

(geometry) An acute triangle.

plural of right-angled triangle