See Also: rigol(dictionary)

thermoplastic (oh) and rigol (iou)


thermoplastic (oh)



technical a plastic that is soft and bendable when heated but hard when cold

rigol (iou)



rigol noun. In sense 1 also (earlier) regal, riggal. LME.
[French rigole watercourse, furrow, groove. See also RIGGOT.]
A groove in wood or stone; a slot. obsolete exc. dial. LME.
A ring, a circle. Now only with ref. or allusion to Shakes. 2 Hen. IV. L16.
Shakespeare 2 Henry IV A sleep That from this golden rigol hath divorc'd So many English kings.
a. A small channel or gutter. dial. L19.
b. Nautical. A projecting strip above a porthole to prevent water from entering. M20.