ACU
Means sharp, pointy
ACU is an abbreviation with several meanings depending on context.
In military usage, it stands for Army Combat Uniform, the standard camouflage fatigues worn by U.S. soldiers: He showed up in his ACUs.
In medicine, ACU often means acute care unit.
It also abbreviates various universities, most notably Abilene Christian University.
Concealment through visual blending
- uniformIdentical throughout
- combatArmed hostile engagement
- fatiguesMilitary duty uniform
- BDUMilitary camouflage uniform
digital camo · Army · tactical · gear · pattern · deployment · infantry · soldier
Spelled-out letter shortening
- acronymWord made from initials
- shorthandAbbreviated writing system
- lettersAlphabetic characters or mail
- initialsAbbreviated personal letters
TLA · notation · symbol · contraction · shortening · clipping · compression · simplification
Higher education institution
- campusInstitutional grounds and buildings
- tuitionPayment for instruction
- scholarshipEducational funding or erudition
- athleticsCompetitive physical activities
degree · enrollment · student · alumni · diploma · curriculum · professor · seminar
camouflage
Concealment through visual blending
BDU · digital camo · Army · tactical · gear · pattern · deployment · infantry · soldier · enlisted
initialism
Spelled-out letter shortening
- acronymWord made from initials
- shorthandAbbreviated writing system
- lettersAlphabetic characters or mail
initials · TLA · notation · symbol · contraction · shortening · clipping · compression · simplification · brevity
university
Higher education institution
- campusInstitutional grounds and buildings
- tuitionPayment for instruction
- scholarshipEducational funding or erudition
athletics · degree · enrollment · student · alumni · diploma · curriculum · professor · seminar
ACUcivvies
Non-uniform attire
plainclothes · business suit · mufti · casual wear · streetwear
ACUACLU
Advocacy group for constitutional protections
MoveOn · liberal · progressive · left-wing · Democratic Party
- mental acuitySharpness of thought
- acute angleBelow ninety degrees
- acute painSevere, sudden discomfort
- acute careUrgent medical intervention
- acute anxietyIntense, overwhelming worry
- acute trianglePolygon with three sub-90° corners
acuity, acumen, acute, acutely, acuteness, acupuncture, acupuncturist