ulp

exclamation1

1. •
   The sound of a person gulping in fear.

   • I sent her a text asking as nonchalantly as possible whether cows ever go for you. [...] The answer I got was, 'Occasionally they do, and they can be bloody scary.' Ulp. — 2009

noun1

1. •
   The value that the least significant digit of a floating-point number represents, used as a measure of accuracy in numeric calculations.

   • Floating point operations are correct to within half an ulp, and the calculation of uvw by two floating point multiplications will be correct within about one ulp (ignoring second-order terms). — 1981

noun3

1. •
   (US) Initialism of unfair labor practice.

   • Settlement of an ULP charge which required the parties to reopen the existing collective bargaining agreement did not remove the collective bargaining agreement as a bar. — 1996
2. •
   Initialism of ubiquitin-like protein.
3. •
   Abbreviation of ultra-luminous pulsar.