A distinguishing feature of a person or thing.
For a given field or ring, a natural number that is either the smallest positive number n such that n instances of the multiplicative identity (1) summed together yield the additive identity (0) or, if no such number exists, the number 0.
The integer part of a logarithm.
The distinguishing features of a navigational light on a lighthouse etc by which it can be identified (colour, pattern of flashes etc.).
Being a distinguishing feature of a person or thing.
An unreasonable notion; a crotchet; a whim; a caprice.
A convulsive fit of coughing or laughter; a sonorous indraft of breath; a whoop; a gasp of breath caused by laughing, coughing, or crying.
A positive 1-soliton solution to the sine-Gordon equation.
A tight curl, twist, or bend in a length of thin material, hair etc.
A difficulty or flaw that is likely to impede operation, as in a plan or system.
Peculiarity or deviation in sexual behaviour or taste.
A person with peculiar sexual tastes.
To laugh loudly.
To be formed into a kink or twist.
To form a kink or twist.
To gasp for breath as in a severe fit of coughing.