Definitions For Ha

noun

• (astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day

Verb

• Third person singular present tense of have.

Acronym

• HTTP (Hypertext Transfer Protocol) Adaptive Streaming
• HARM (High Speed Anti-radiation Missile) as a Sensor
• Hastings (Amtrak station code; Hastings, NE)
• Houston Airport System
• Home Automation Systems
• Height-Adjustable Stand (product feature)
• Home and School Association
• Hari AIDS Sedunia (Indonesian: World AIDS Day)
• Haute Autorité de Santé (French: High Authority for Health)
• Hamilton Anxiety Scale (psychiatry)
• Health Advisory Service (US NHS)
• Human Activity Systems
• Hospitality and Accommodation Services (various agencies)
• Hawaii Audubon Society (birds)
• Highest Average Salary (employee benefits)
• Hour Angle of the Sun
• Hill Start Assist
• Human Audio Sponge (band)
• Hawaiian Astronomical Society (Honolulu; HI)
• Humanitarian Air Service (UN)
• Hospital Accreditation Standards
• High Speed Arithmetic (package)
• Helicopter Antisubmarine Squadron
• Hardened Aircraft Shelter
• Histidine-Aspartate-Serine (chemistry)
• Hot Air Sauna
• Horatio Alger Society
• Hit Avoidance System
• Hogere Agrarische School (Netherlands)
• High Availability Subsystem
• Hyper Amorphous Silicon (TFT LCD)
• Hydraulic Actuator System
• Homeland Air Security
• Hrvatski Atletski Savez (Croatian Athletic Federation)
• Heartland Apicultural Society
• Hydrometeorological Analysis and Support
• HCO Area Secretary (Scientology)
• Hanford Analytical Services
• Healing Arts Society (former group at Worcester Polytechnic Institute)
• Horticultural Art Society
• Hellenic Actuarial Society
• High Angle Strafe
• Headed Anchor Studs (construction)
• Human-As-Sensor (military)
• Higher, Adjacent, Supporting (USMC)
• Hyperion Sensor Assembly
• Hand-Off AT&T Switch
• Holding Action System
• Headquarters Application System
• Helleniki Aeroporia Stratu (Greek Army)
• Homatropine 5% Eyedrops (ophthalmology)