n2
+ nitrogen, N
+ noun, n.
- 1945, destroyed by the atomic bombs, Hiroshima and Nagasaki
+ the two cities, Hiroshima and Nagasaki
+ Jap., and Hiroshima and Nagasaki
+ the US, and the atomic bombings of Hiroshima and Nagasaki
+ hammer and nails
+ an opioid antagonist, Naloxone
+ 1961, Fishman, Lewenstein, and Naloxone
- to have got a bad name
+ big name
+ Christian name
+ first name
+ given name
+ last name
+ to call my name
+ signed my name
+ pen name
+ proper name
+ trade name
+ did not have given/middle/family names, but a full chain of names; Arabic names
+ given name, father's family name and mother's family name; Spanish names
- to call a person names
+ billy-goat and nanny-goat
+ mothball, naphthalene
+ 1821, Kidd and naphthalene
+ sanitary napkin
+ disposable sanitary napkin
+ 1888, Johnson & Johnson and disposable sanitary napkin
+ to catch him napping
- self-worship, narcissism
+ 1958, National Aeronautics and Space Administration, NASA
- to burn the flag of a nation
- to burn the money of a nation
+ awarded to winners irrespective of nationality
+ to promote friendship between nations
+ Nov. 11th, Remembrance Day in Commonwealth of Nations
+ 1945, an intergovernmental organization, United Nations
+ Christ's birthplace, the Nativity
+ science and nature
+ good nature
+ to obey the call of nature
+ the laws of nature
+ the secrets of nature
+ in a state of nature
+ second nature
+ back to nature
- felt nauseated
+ a small female mollusk with a very thin shell, paper nautilus
+ celestial navigation
+ entered the Navy
+ served in the Navy
- a member of the National Socialist party, Nazi
- Germany and Nazism
+ to draw near
+ to live nearby
+ to lay emphasis on neatness
+ to make a virtue of necessity
+ neck and neck
+ to wrap a scarf around my neck
- to break my neck
+ to wear a string of pearls on my neck
- to wear wrinkles on my neck
- a pain in the neck
+ necktie
+ c. 1646, King Louis XIV and necktie
+ I need
+ a friend in need
+ to share with someone in need
+ to take whatever you need
+ hypodermal needle
+ knitting needle
+ magnetic needle
- on pins and needles
+ tailored to our needs
+ positive and negative
- double negative
- in the negative
- contributory negligence
+ an old hand at negotiating
+ to love your neighbor
+ the horse neighs
+ a guide to Nepal
+ the eighth planet in the solar system, Neptune
+ 1846, LeVerrier, Galle, Adams, and Neptune
+ to strain every nerve
- to lose my nerve
+ optic nerve
+ the largest nerve in the human body, sciatic nerve
+ motor nerves
- to get on my nerves
+ war of nerves
+ sensory nerves
- to stir up a hornet's nest
+ bird and nestlings
+ to cast a net
+ fishing net
+ mosquito net
+ safety net
+ tennis net
- a spy network
+ black for neurology
+ nt., neuter
+ male, female and neuter
+ an elementary particle with no charge and very little mass, neutrino
+ 1956, Reines, Cowan, and the neutrino
+ a nuclear particle with no electric charge, neutron
+ 1932, Chadwick and the neutron
- bad news
- fake news
- grave news
+ the latest news
+ local news
+ national news
+ international news
+ roundup of news
- stale news
- shattered by the news
- staggered by the news
+ to keep up on the news
+ to spread the news
+ newspaper
+ 1605, Carolus and newspaper
- cannot think what to do next
- still wondering what to do next
- the Devil, Old Nick
+ a parasympathomimetic stimulant present in tobacco, nicotine
+ 1828, Posselt, Reimann, and nicotine
- nephew and niece
+ to go to bed at night
+ a red sky at night
- came by night
+ bidding them good night
+ last night
- the dead of night
- a restless night
+ a Christmas song, Silent Night
+ 1818, Mohr, Gruber, and Silent Night
- a stormy night
+ in the still of the night
- a wild night
+ eastern folktales, The Arabian Nights
+ 1884, Burton and The Arabian Nights
+ located in the midbrain before the cerebellum, substantia nigra
+ a black substance, substantia nigra
+ a part of the extrapyramidal motor system, substantia nigra
+ on cloud nine (informal)
+ living a selfless life, Nirvana
+ N, nitrogen
+ nitroglycerine
+ 1847, Sobrero and nitroglycerine
- Mr. No
+/- no, no, no
- yes and no
+/- yes or no
+ the nobility
+ to get the nod
+ to give the nod
+ a biological filter, lymph node
- MRI and noise
+ to shut out the noise
- cannot stand the noise
+ genus and species, binomial nomenclature
+ 1735, Linnaeus and binomial nomenclature
- pure nonsense
- talking nonsense
- unadulterated nonsense
+ noodles
+ 206 BC-AD 220, China and noodles
+ instant noodles
+ 1958, Ando and instant noodles
+ to be here by noon
+ high noon
+ the North
+ not the magnetic north, the true north
+ by a nose
- a crooked nose
- a long nose
- Pinocchio and his long nose
+ to blow my nose
+ to follow my nose
- to thumb my nose
+ to lead by the nose
+ Boolean operators; and, or, not
- do not know whether she will come or not
+ a cartoon book, Ripley's Believe It or Not!
+ 1930s, Ripley and Ripley's Believe It or Not!
+ to waste not, to want not
+ cannot see why not
+ musical notation
+ early 1000s, D'Arezzo and musical notation
+ numbered musical notation
+ 1800s, China and numbered musical notation
+ moved up a notch
+ to drop me a note
+ Post-It note
+ 1968, Silver and Post-It notes
+ promissory note
+ to hit the high notes
+ marginal notes
- can do nothing
- for nothing
+ to lack for nothing
- to want for nothing
+ gave him a month's notice
- escaped my notice
- on short notice
+ n., noun
+ a classic novel
+ a posthumous novel
+/- an abridged version of the novel
+ the central character in this novel
+ historical novels
+ And now!
+ here and now
+ should be here by now
+ ought to be here by now
+ goodbye for now
+ must go now
+ to have to go now
+ to do it now
+ just now
+ up till now
+ had never been abroad until now
- to come from nowhere
- to get nowhere
- in the middle of nowhere
+ a noise reduction system, Dolby NR
+ 1965, Dolby Labs and Dolby NR
+ neuter, nt.
+ a gatekeeper of the brain, caudate nucleus
+ located centrally and near the basal ganglia, caudate nucleus
+ a structure in the rostral midbrain before the cerebellum, red nucleus
+ composed of hemoglobin and ferritin, red nucleus
+ a part of the extrapyramidal motor system, red nucleus
- in the nude
- a bit of a nuisance
+ back number
+ call number
+ a speed ratio, Mach number
+ 1887, Mach and the Mach number
+ the number of protons or neutrons in a stable nucleus, magic number
+ mass number
+ a measure of the anti-knock properties of a gasoline, octane number
+ high octane number
+ a number that can be divided only by itself or 1, prime number
+ registration number
+ round number
+ serial number
+ telephone number
+ without number
+ by numbers
+ 2, 8, 20, 28, 50, 82, 126; magic numbers
+ 1950, Goeppert-Mayer and magic numbers
+ 2, 3, 5, 7, 11...; prime numbers
+ c. 240 BC, Eratosthenes and prime numbers
+ 1, 4, 9, 16, 25 ...; square numbers
+ to do it by the numbers
+ 1, 3, 6, 10, 15, 21, 28 ...; triangle numbers
+ renounced the world and became a nun
+ monk and nun
+ doctor and nurse
+ practical nurse
+ registered nurse
+ scrub nurse
+ visiting nurse
+ nursing
+ 1854, Nightingale and nursing
+ hazel nut
+ hickory nut
+ America and hickory nuts
+ kola nut
+ West Africa and kola nuts
+ lug nut
+ wing nut
+ in a nutshell
+ nylon
+ 1930, Carothers and nylon