ex-focaladj.
/ɛksˈfəʊkəl/ rare.
Not passing through the focus.
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ex-focal1881
the world > matter > physics > electromagnetic radiation > heat > [adjective] > radiation > focus > not passing through
ex-focal1881
1881 T. Stevenson in Nature 14 Apr. 560/1 The ex-focal rays proceeding from the outer edges of the flame.
This entry has not yet been fully updated (first published 1894; most recently modified version published online June 2021).
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adj.1881- thickwit
- thickwitted
- thickwoolled
- thickwoven
- thickwrought
- thicky
- thief
- thief and reever bell
- thief errant
- thief of the sea
- thief-ant
- thief-bote
- thief-catcher
- thief-catching
- thief-colony
- thief-craft
- thief-den
- thief-detector
- thief-key
- thief-land
- thief-leader
- thief-like
- thief-maker
- thief-proof
- thief-resistant