plural of Wang tile

(mathematics) A square tile with a colour on each side. Possible sets of such tiles are studied to determine whether they can tile the plane (arranged with like colours touching, and without rotations or reflections) and whether this can be done in a periodic pattern.

(Scrabble) The act of keeping track of which letters have been played, usually by crossing them off a printed list.

plural of roof tile

A tile, made from any material, designed to be laid as flooring.

A power saw designed to cut ceramic tiles.

A suburb of Coventry, West Midlands, England (OS grid ref SP2878).

(Freemasonry) Of a lodge, having been sealed against intrusions from unauthorised people. / (figuratively) In secret; in private.

plural of pill tile

(pharmacy) A implement sometimes graduated with a linear scale and sometimes decorated designed to cut out with it tablets and ointments from an amorphous medicament mass