A ring- or donut-shaped area or structure.
The ring of the sun not covered by the moon in an annular solar eclipse.
Structure in a fern that consists of differentially thick-walled cells on a sporangium that bend and distort as a result of drying.
The region in a plane between two concentric circles of different radii.
The membranous remnants of a partial veil which leaves a ring on the stem of a mushroom.
The space contained between the centre well bore and any external tubing. Sometimes used for separated gas flow.
Any topological space homeomorphic to the region in a plane between two concentric circles of different radius.
A small, round spot.
A symbol used for separating the fractional part of a decimal number from the whole part, for indicating multiplication or a scalar product, or for various other purposes.
buckshot, projectile from a "dotty" or shotgun
A dot ball.
One of the two symbols used in Morse code.
A punctuation mark used to indicate the end of a sentence or an abbreviated part of a word; a full stop; a period.
A point used as a diacritical mark above or below various letters of the Latin script, as in Ȧ, Ạ, Ḅ, Ḃ, Ċ.
Anything small and like a speck comparatively; a small portion or specimen.
A dowry.
Dot product of the previous vector and the following vector.
To punch (a person).
To mark or diversify with small detached objects.
To cover with small spots (of some liquid).
To add a dot (the symbol) or dots to.
To mark by means of dots or small spots.