See Also:

tilestone (iou) and oxa- (medicine)


tilestone (iou)



tilestone noun.

(A tile or brick of) baked clay. LOE-L17.
Geology. A laminated flagstone which splits into layers thicker than slate, suitable for roofing-tiles; a tile made of this. M17.

oxa- (medicine)


oxa-


Combining form inserted in names of organic compounds to signify the presence or addition of oxygen atom(s) in a chain or ring (as in ethers), not appended to either (as in ketones and aldehydes).

See: hydroxy-, oxo-, oxy-.

Origin: English. Oxygen