முன்னொட்டுச் சுட்டி
- H-MOSS
- H-bar
- H-plane bend
- H-plane t junction
- H1N1 virus
- HC
- HCA
- HCAC
- HEC
- HIC
- HIPC
- HIV
- HIV-1
- HIV-2
- HLAS
- HLCC
- HLCP
- HMP pathway
- HMP shunt
- HN(s)
- HP
- HPI
- HQ
- HR
- HRAD
- HSPA
- HTML tag
- HYD
- H beam
- H carrier system
- H parameter
- H plane
- Haber process
- Habib
- Hadean eon
- Hagiology
- Haiti
- Haitian Creole
- Hajong
- Hakka
- Halabi
- Haldane's hypothesis
- Half Volley
- Halfway Line
- Halkomelem
- Hall of Fame
- Hallikar
- Hamberger's Chloride Bicarbonate shift
- Hammerjaw
- Hangaza
- Hangers
- Hans Adolf Krebs
- Hantz
- Haora
- Harari
- Hardy-Weinberg equilibrium
- Hardy-Weinberg law
- Hashemite Kingdom of Jordan
- Hashtag
- Hassall's corpuscle
- Hasselbalch
- Hassānīya
- Haus
- Hausa
- Hausschwein
- Havey
- Hawaiian
- Hawkins
- Hawkins Simon conditions
- Haworth projection
- Haya
- Hayem's solution
- HazMat
- Hcl
- He
- Health is Wealth
- Hearth-penny
- Heath Robinson
- Hebe
- Hebraic
- Hebrew
- Hehe
- Heisenberg
- Held Ball
- Helen
- Heliambulance
- Hellanodic
- Hellenistic Greek
- Hellenophobia
- Helmholtz
- Helmholtz double layer
- Helmholtz free energy
- Henderson
- Henderson-Hasselbalch equation
- Henderson equation
- Henle's loop
- Henry Gwyn-Jeffreys Moseley
- Hepatitis B
- Hepatitis B Virus
- Herbert Bayer
- Hercules beetle
- Heron's formula
- Herpetology
- Herring-Breuer reflex
- Hertz
- Hertz experiment
- Hesperornis
- Hessian fly
- Hexagone
- Hey, chi.. Kadaya potan kalati vittanu ena slang da ithu? Customer kita ipdi vaaila pesidatha,
- Hi Fi
- Hibernophobia
- Hideki Yukawa
- High German
- Hiligaynon
- Himalayan griffon vulture
- Himalayan marmot
- Himalayan shrew
- Hindustani
- Hippocrates
- Hirudinea
- His Holiness
- Hispanophobia
- Historical Timeline
- Hiszpania
- Hitherto
- Hittite
- Hlylozoisa
- Hmar
- Hmong
- Ho
- Hokkien
- Holender
- Holland
- Hollerith machine
- Hollerith tabulating machine
- Holmes' signal
- Holocaust
- Holster
- Home Schooling
- Homeric laughter
- Homo Sapien
- Homoeothermic animal
- Honduras
- Honeywell
- Honourable
- Hood Stone
- Hook's law
- Hopi
- Hopkin's test
- Hortensia
- Hostler
- Hot Dog
- Hotchkiss
- Hottentot
- House of Lords
- Houyhnhnm
- Howrah
- Hrangkhol
- Huave
- Huayco tinamou
- Hubble's constant
- Hubble's law
- Hubble Telescope
- Huffmann coding
- Hui
- Human Immunodeficiency Virus
- Human Resources Accounting
- Human Resources Services
- Humboldt penguin
- Humboldt penguins
- Hund
- Hund's rule
- Hungana
- Hungarian
- Hungarophobia
- Hungary
- Hunsdiecker
- Huntington
- Huntington's chorea
- Huxley
- Huygens' principle
- Hyderabad
- Hymen vaginae
- Hyperautomation
- Hypervisor
- Hückel theory