diametral

[ dahy-am-i-truh l ]

/ daɪˈæm ɪ trəl /

of a diameter.

forming a diameter.

Origin of diametral

1350–1400; Middle English < Medieval Latin diametrālis < Latin diametr(os) diameter + -ālis -al¹

di·am·e·tral·ly, adverb non·di·am·e·tral, adjective non·di·am·e·tral·ly, adverb

Diametral spines crossed loosely in the centre of the spherical or irregular roundish central capsule.

Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia) |Ernst Haeckel
Supposing you wanted to know the number of teeth in a gear where the pitch diameter and the diametral pitch are given.

Practical Mechanics for Boys |J. S. Zerbe
The circumferential pitch is of course got by dividing the diametral pitch by π.

Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 |Various
Of course every diametral spine pierces the capsule twice, at two points diametrically opposed.

Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia) |Ernst Haeckel

On the other diametral side of the coupling the strain due to the key is exerted on the top face of the key.

Modern Machine-Shop Practice, Volumes I and II |Joshua Rose

diametral

/ (daɪˈæmɪtrəl) /

located on or forming a diameter diametral plane

a less common word for diametric

diametrally, adverb