- Medicare
- medicate
- medicated
- medication
- medicative
- Medicean
- Medici
- Medici, Lorenzo de
- medicide
- medicinable
- medicinal
- medicinal leech
- medicinally
- medicine
- medicine ball
- Medicine Bow Range
- Medicine Bow River
- medicine bundle
- medicine chest
- medicine dance
- medicine dropper
- Medicine Hat
- medicine lodge
- medicine man
- medicine shop
- medicine show
- medicine wheel
- medicine woman
- medick
- medico
- medico-
- medicochirurgical
- medicolegal
- medieval
- Medieval Breton
- Medieval Cornish
- Medieval Greek
- Medieval Hebrew
- medievalism
- medievalist
- Medieval Latin
- Medieval Warm Period
- medigap
- Medill
- medina
- Medina
- mediocracy
- mediocre
- mediocris
- mediocrity
- Medit.
- meditate
- meditation
- meditative
- Mediterranean
- Mediterranean climate
- Mediterranean diet
- Mediterranean fever
- Mediterranean flour moth
- Mediterranean fruit fly
- Mediterranean Sea
- medium
- medium artillery
- medium bomber
- medium-dated
- medium frequency
- mediumistic
- medium octavo
- medium of exchange
- medium quarto
- medium-range ballistic missile
- mediums
- medium-scale integration
- medium shot
- medium-sized
- medium strip
- medium wave
- medius
- medivac
- medlar
- medley
- medley relay
- Médoc
- Medon
- medrese
- medroxyprogesterone
- medulla
- medulla oblongata
- medullary
- medullary ray
- medullary sheath
- medullated
- medullation
- medulloblastoma
- medusa
- Medusa
- medusafish
- medusan
- medusoid
- Medvedev
- Medway
- mee
- Meech Lake Accord
- meed
- meek
- meekly
- meekness
- Meer
- meerkat
- meerschaum
- Meerut
- meet
- meet and greet
- meeting
- meeting house
- meeting of the minds
- meeting post
- meeting rail
- meetly
- meet one's match
- meet one's Waterloo
- meet the requirements
- meetup
- meet up with
- meet with
- mefenamic acid
- meff
- mefloquine
- meformer
- meg
- Meg
- MEG
- mega
- mega-
- mega–
- megabit
- megabuck
- megabyte
- megacephalic
- megacephaly
- megachurch
- megacity
- megacorporation
- megacycle
- megadeal
- megadeath
- megadont
- megadontia
- megadose
- megadrought
- megaelectron volt
- Megaera
- megafauna
- megaflop
- megaflops
- megagamete
- megagametophyte
- megahertz
- megahit
- megajoule
- megakaryoblast
- megakaryocyte
- megal-
- megalecithal
- Megalesia
- megalith
- megalithic
- megalithic tomb
- megalitre
- megalo-
- megaloblast
- megaloblastic anaemia
- megalocardia
- megalocephalic
- megalocephaly
- megalomania
- megalomaniac
- megalopolis
- megalopolitan
- megalops
- megalopsia
- megalopteran
- megalosaur
- Megan
- Megan's Law
- Meganthropus
- megaparsec
- megaphanerophyte
- megaphone
- megaphyll
- megapixel
- megaplex
- megapode
- megapolis
- megaproject
- Megara
- Megaris
- megaron
- megascopic
- megasporangium
- megaspore
- megaspore mother cell
- megasporocyte
- megasporogenesis
- megasporophyll
- megass
- megastar
- megastructure
- megathere
- megatherium
- megatherm
- megaton
- megatonnage
- megatrend
- megavitamin
- megavolt
- megawatt
- Me generation
- Meges
- Megger
- Meghalaya
- Meghan
- Megiddo
- megillah
- megilp
- meglitinide
- MEGO
- megohm
- megohmmeter
- megrim
- megrims
- meh
- Mehemet Ali
- mehitzah
- mehndi
- Mehta
- Méhul
- Mehuman
- meibomian cyst
- meibomian gland
- Meier
- Meighen
- Meigs
- Meiji
- Meiji Restoration
- Meilhac
- Meillet
- Mein Kampf
- Meinong
- meiny
- meiocyte
- meiofauna
- meionite
- meiosis
- Meir
- Meir, Golda
- Meissen
- Meissen porcelain
- Meissner's corpuscle
- Meissner effect
- Meissonier
- Meistersinger
- Meitner
- meitnerium
- Méjico
- MEK
- Meker burner
- Mekhitarist
- Mekka
- Meknès
- Mekong
- Mekong Delta
- mel
- Mel
- mela
- melaena
- Melaka
- melaleuca
- melamed
- melamine
- melamine resin
- melammed
- Melampus
- melan-
- melancholia
- melancholiac
- melancholic
- melancholy
- Melanchthon
- Melanesia
- Melanesian
- Melanesian Pidgin English
- melange
- mélange
- melanic
- Melanie
- melanin
- Melanion
- Melanippus
- melanism
