Sample Words and Definitions
kilobyte – 1,000 bytes; kilometer – 1,000 meter; kilograms – 1,000 grams.
kinetics – study of the force of motion; psychokinesis or telekinesis – the ability to move objects with your mind; cinematography – motion picture making.
collaborate – to work with a person; elaborate – to work out the details; laborious – requiring a lot of hard work.
lactate – to give milk, nurse; lactose – the sugar contained in milk; lactic acid.
bilateral – of or involving two sides; unilateral – affecting one side of something.
leukemia – abnormal increase of white blood cells in the blood; leukocyte – a mature white blood cell; leucine – a white, crystalline amino acid.
word, law, reading
lexicology – the study and history of words; alexia -loss of the ability to read; illegal – not authorized by the official rules or laws.
liberate – to set free; libertine – a person with a free, wild lifestyle; liberty – freedom.
linguist – one who studies languages; multilingual – able to communicate in multiple languages; linguine – long, flat "tongue-shaped" pasta.
liposuction – the mechanical removal of fat reserves in the tissue; lipase – enzyme that breaks down fat; lipoid – resembling fat.
mineral, rock, fossil
appatite – a group of common minerals; granite – a hard, granular rock; monolith – a remarkable, unique stone.
dislocate – to put something out of its usual place; location – a place; relocate – to move to a new place.
word, doctrine, discourse
logic – correct reasoning; monologue – a long speech by one speaker;analogy – similarity, especially between things otherwise dissimilar.
Eloquent, loquacious, dialogue, elocution
elucidate – to explain, to throw light on; lucid – easily understood, giving off light; translucent – allowing light through.
prelude – introduction to the major performance; illusion – misleading optical image or impression; delude – to mislead, deceive.
illuminate – to fill with light; lumen – unit measuring light.
lunar – relating to the moon; lunarscape – the surface of the moon; lunatic – insane (as if driven mad by the moon).
macroevolution – large scale evolution; macromolecule – a large molecule; macroeconomics – study of the overall forces of economy.
magnify – make larger; magnificent – grand; magnate – a powerful person, especially in business or industry.
bad, ill, wrong
malcontent – wrong content; malaria – "bad air", infectious disease thought to originate from the "bad air" of the swamps, but caused by the bite of an infected mosquito; malicious – showing strong ill will.
maneuver – to move by hand; manual – done with the hands; manuscript – a book written by hand.
command – an order or instruction; demand – a hard-to-ignore order; mandate – an official order.
bibliomania – a crazy love of books; egomania – a mad love of oneself; maniac an insane person.
marina – a harbor for pleasure boats; maritime – relating to the sea; submarine – an undersea boat; aquamarine – blue-green in color, like sea water.
maternal – relating to motherhood; maternity – the state of being a mother; matriarch – a woman head of a household.
maximal – the best or greatest possible; maximize – to make as great as possible; maximum – the greatest amount.
medieval – pertaining to the Middle Ages; medium – in the middle; mediocre – only of medium (inferior) quality.
great, large, million
megalopolis – an area with many nearby cities; megaphone – a device that projects a loud voice; megastructure – huge building or other structure.
melancholy – a state of dark emotions; melanoma – malignant dark tumor of the skin; melodrama – a dark, pathetic drama.
commemorate – to honor the memory of, as by a ceremony; memorial – related to remembering a person or event; memory: an ability to retain knowledge or an individual’s stock of retained knowledge.
immerge or immerse – to put or dip something into a liquid; submerge to dip something completely into wate.r
Mesoamerica – Middle America; meson – elementary particle with a mass between an electron and a proton.
change, after, beyond, between
metaphysics – study of nature and reality; metamorphosis – a complete change of form; metastasis – the transmission of disease to other parts of the body.
audiometer- an instrument that measures hearing acuteness; chronometer- an instrument that measures time; metric – measured.
very small, short, minute
microbe – a very small living thing; microchip – a tiny wafer with an integrated circuit; microscope – a device to see very small things.
midriff – the area between the chest and the waist; midterm – middle of a term in school; midway – halfway between.
immigrant – a person who moves to a new country to settle; migrant – person who moves from place to place; migration – the process of moving.
millimeter – one thousandth of a meter; millibar – one thousandth of a bar; milliliter – one thousandth of a liter.
mini – something that is very small; minuscule – extremely tiny; minutiae – very small or trivial details.
bad, badly, wrong, wrongly,
misbehave – to behave badly; misprint – an error in printing; misnomer – an error in naming a person or thing.
send, let go
dismiss – to send someone away; missile – a weapon sent into the air; emit – to send something out; admittance – entry.
immobilize – to stop from moving; mobile – able to move freely; mobility – the quality of being able to move.
one, single, alone
monochromat – having one color; monologue – a speech spoken by one person; monotheism – belief in one god.
motion – the act of moving; motivate – to move someone to action; promote to move someone forward; removable – able to be taken or carried away.
metamorphosis – complete change of form; endorphins – chemical in the brain able to transform pain; amorphous – without distinct shape or form.
immortal – living forever, unable to die; mortal – certain to die; mortician – an undertaker.
many, more than one or two
multicolored – having many colors; multimedia – using a range of media; multitasking – doing many things at once.
immutable – not changing; mutant – an organism that has undergone change; mutate – to undergo a change.
myocardium – the middle muscle of the heart; myasthenia – muscle fatigue or weakness; myosin – common protein in muscle tissue.
narrate – to tell a story; narrative – a story; narrator – a person who tells a story.
innate – included since birth; natal – relating to birth; natural – gotten at birth, not afterward.
circumnavigate – to sail around a place; naval – relating to a navy or warships; navigate – to sail a ship through a place.
necrophil – loving death; necrosis – the death of tissue due to disease or injury; necrology – a list of persons who have recently died.
negate – to say it didn’t happen; negative – meaning "no"; renege – to go back on a promise.
neoclassic – a revival of classic form, neocolonialism – the indirect ("new") economical and political control of a region by a more powerful foreign power; neonatal – a newborn child, especially the first few weeks.
nephritis – inflammation of the kidneys; nephrotomy – surgical incision of a kidney; nephron – a single, excretory unit in the kidney.
neuralgia – pain along a nerve; neurologist – doctor specializing in the nerves; neurotic – mental disorder that usually does not include an impaired perception of reality.
misnomer – an error in naming a person or thing; nominal – being something in name only but not in reality; nominate – to name for election or appointment, to designate.
no, not, without
nondescript – with no special characteristics; nonfiction – true, real, not made-up; nonsense – without sense.
notable – marked as worthy of attention; notarize – to certify a signature on a legal document; annotate – to add remarks.
announce – to declare in public; denounce – to proclaim harsh criticism; enunciate – to speak or declare something clearly.
innovate – to introduce a new way; novelty – something new; novice – a person who is new at a job; renovate – to make something like new again.
enumerate – to name a number of items on a list; numerology – the study of magical uses of numbers; numerous – a large number.
in the way, against
object – to be against something; obscure – hard to understand; opposition – the act of resistance or action against.
octagon – a figure with 8 sides and 8 angles; octogenarian – person in his or her 80s; octopus – sea animal with 8 arms.
binoculars – lens device for seeing distances; monocula – relating to one eye; oculist – an eye doctor.
omnipotent – with all the power; omniscient – knowing all things; omnivorous eating all foods.
eye, visual condition, sight
optic – relating to the eyes; optician – a person who fits eyeglasses; autopsy – the examination of a dead body.
optimal – the best, the most desirable; optimize – to make the best of; optimum – the best something could be.
orthodontist – a dentist that straightens teeth; orthopedic – a doctor concerned with the proper alignment of the bones; orthography – the correct way of writing.
osteoarthritis – inflammation caused by degeneration of the joints; osteopathy – therapy that uses among others manipulation of the skeleton to restore health; osteology – the study of bones.
Outgoing – being of lively, sharing nature; outdoing – doing better than; outdoor – outside.
overconfident – more confident than is appropriate; overstock – more supplies than is desirable; overexcited – ,more excited than one should be.
oxymoron – combining two ideas that sharply contradict each other; oxydize – corrode a surface.