| m.k.s. unit | Sistem unit MKS adalah sistem pengukuran fisik yang menggunakan meter, kilogram, dan kedua sebagai unit dasar. |
| m.p. | |
| Madelung konstan | |
| Magnadur | |
| Magnalium | |
| magnesia | |
| magnesit | |
| magnesium | |
| magnesium bikarbonat | |
| magnesium hidrogenkarbonat | |
| magnesium hidroksida | |
| magnesium karbonat | |
| magnesium klorida | |
| magnesium oksida | |
| magnesium peroksida | |
| magnesium sulfat | |
| magnet medan | |
| magnetit | |
| magnetokimia | |
| magneton | |
| magneton nuklir | |
| magnetoresistance raksasa | |
| magnetoresistensi kolosal | |
| makromolekul | |
| makroskopis | |
| MALDI | |
| maleat anhidrida | |
| malt | |
| maltosa | |
| mancude | |
| mangan | |
| mangan (IV) oksida | |
| manganat (VI) | |
| manganat (VII) | |
| manganin.dll | |
| manitol.dll | |
| mannan | |
| mannose | |
| manometer | |
| marmer | |
| martensit | |
| masalah banyak tubuh | |
| masalah tiga tubuh | |
| mascagnite | |
| maser | |
| maser optik | |
| massa | |
| massa atom relatif | |
| massa gravitasi | |
| massa inersia | |
| massa jenis | |
| massa kritis | |
| massa molekul relatif | |
| masuk | |
| masurium | |
| mata | |
| materi gelap | |
| materi partikulat | |
| materi tersembunyi | |
| matriks | |
| Maxwell, James Clerk (1831–79) | |
| MDA | |
| MDMA | |
| medan elektrostatis | |
| medan gravitasi | |
| Medan listrik | |
| medan magnet bumi | |
| mega- | |
| Meitner, Lise (1878–1968) | |
| meitnerium | |
| meja kristal | |
| mekanik fluida | |
| mekanik gelombang | |
| mekanika angkasa | |
| mekanika kuantum | |
| mekanika kuantum relativistik | |
| mekanika matriks | |
| mekanika statistik | |
| mekanika statistik nonequilibrium | |
| mekanisme | |
| mekanisme kunci-dan-kunci | |
| Mekanisme Langmuir-Hinshelwood | |
| Mekanisme Langmuir-Rideal | |
| Mekanisme Lindemann-Hinshelwood | |
| mekanisme lingkup luar | |
| Mekanisme Lotka-Volterra | |
| Mekanisme Rice-Herzfeld | |
| melamin | |
| melawan | |
| melepaskan | |
| melewati kapasitor | |
| melindungi kelompok | |
| melolong | |
| meluncur | |
| memaksa | |
| membalikkan efek Compton | |
| membran sebagian permeabel | |
| membran semipermeabel | |
| memesan | |
| memimpin | |
| memori flash | |
| memutar | |
| memutuskan | |
| menabrak | |
| menangkap | |
| menarik | |
| mendapatkan | |
| mendasar | |
| mendasarkan | |
| Mendeleev, Dmitri Ivanovich (1834–1907) | |
| mendelevium | |
| mendirikan prisma | |
| menelusuri | |
| mengajukan | |
| mengasinkan | |
| mengasinkan | |
| mengendapkan | |
| Menggali | |
| menghaluskan | |
| menghilangkan stres | |
| mengubah sifat sesuatu benda | |
| mengukur boson | |
| menguras | |
| menthol | |
| menurunkan tekanan uap | |
| Menyulut radiasi | |
| mer isomer | |
| meracuni | |
| merayap | |
| mercaptans | |
| meredam tungku | |
| mereformasi | |
| merkuri (I) klorida | |
| merkuri (II) klorida | |
| merkuri (II) marah | |
| merkuri (II) oksida | |
| merkuri (II) sulfida | |
| merokok | |
| merosot gas | |
| merosot semikonduktor | |
| mescaline.dll | |
| mesin | |
| Mesin diesel | |
| mesin ion | |
| mesin panas | |
| mesin pembakaran internal | |
| mesin sentrifugal | |
| meso-isomer | |
| mesomerisme | |
| mesomorph lyotropic | |
| mesomorph.dll | |
| mesoskopik | |
| meta- | |
| metabolisme | |
| metabolit | |
| metadon | |
| metakrilat | |
| Metal Britannia | |
| metaldehyde.dll | |
| metalografi | |
| metaloid | |
| metalosen | |
| metalurgi | |
| metalurgi serbuk | |
| metamfetamin | |
| metana | |
| metanal | |
| metanal trimer | |
| metanida | |
| metanol | |
| metaplumbate | |
| metastannate | |
| metatesis | |
| meter | |
| meteran eksposur | |
| methanasi | |
| methanoate | |
| methylenedioxymethamphetamine | |
| methylidyne.dll | |
| methylxanthines | |
| metil alkohol | |
| metil asetat | |
| metil bromida | |
| metil etanoat | |
| metil etil keton | |
| metil klorida | |
| metil merah | |
| metil metakrilat | |
| metil sianida | |
| metil violet | |
| metilamin | |
| metilasi | |
| metilbenzena | |
| metilen | |
| metilen klorida | |
| metilfenol | |
| metionin | |
| Metode Debye – Scherrer | |
| Metode Fizeau | |
| Metode Kjeldahl | |
| Metode Kolbe | |
| Metode Monte Carlo | |
| Metode Regnault | |
| Metode Victor Meyer | |
| metol | |
| Meyer, Viktor (1848–97) | |
| migrasi | |
| mika | |
| mika putih | |
| mikro- | |
| mikroanalisis probe elektron | |
| mikrofon kapasitor | |
| mikrofon kondensor | |
| mikrofon kristal | |
| mikroskop | |
| mikroskop bidang-ionisasi | |
| mikroskop elektron | |
| mikroskop elektron transmisi | |
| mikroskop emisi lapangan | |
| mikroskop gaya atom | |
| mikroskopis | |
| mili- | |
| milyar | |
| mineral | |
| mineral silikat | |
| minyak | |
| minyak biji rami | |
| minyak bumi | |
| minyak dari wintergreen | |
| minyak ter | |
| minyak tusam | |
| minyak vitriol | |
| mioglobin | |
| mirabilite | |
| misch metal | |
| misel | |
| mmHg | |
| mobilitas | |
| mode | |
| mode getaran normal | |
| Model Cahn – Hilliard | |
| model cluster | |
| Model Frenkel – Kontorowa | |
| Model Friedmann – Lemaître – Robertson – Walker | |
| Model Glashow – Weinberg – Salam | |
| Model Glauber | |
| Model GWS | |
| Model Ising | |
| Model Jaynes – Cummings | |
| Model Rutherford | |
| model siklik | |
| modulasi amplitudo | |
| modulasi frekuensi | |
| modulasi sudut | |
| modulus elastisitas | |
| modulus massal | |
| Moiety | |
| moissanite.dll | |
| molalitas | |
| molaritas | |
| molekul | |
| molekul linier | |
| molekul monatomik | |
| molekul polar | |
| molekul poliatomik | |
| molekul target | |
| molekul triatomik | |
| molekuleritas | |
| molibdenum | |
| momen inersia | |
| momen lentur | |
| momen magnet | |
| momentum sudut | |
| monoetanolamina | |
| monogliserida | |
| monohidrat | |
| monoklinik | |
| monomer | |
| monosakarida | |
| monosodium glutamat | |
| monotropi | |
| monovalen | |
| montmorillonite | |
| morfin | |
| mosi presesi | |
| motor arus searah | |
| motor induksi | |
| motor listrik | |
| MSG | |
| muatan listrik | |
| muatan warna | |
| mucopolysaccharide | |
| multiplet | |
| Mumetal | |
| munculnya | |
| muskovite | |
| mustard nitrogen | |
| mutarotation | |
| mutlak | |
