• WordNet 3.6
    • n AC an electric current that reverses direction sinusoidally "In the US most household current is AC at 60 cycles per second"
    • n Ac a radioactive element of the actinide series; found in uranium ores
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: Pepsi originally contained pepsin, (the same stuff in pepcid AC) thus the name
    • n ac The early form of oak, preserved (through the shortening of the vowel before two consonants) in certain place-names (whence surnames): as, Acton [⟨ AS. Āctū n], literally, oak-town, or dwelling among the oaks: Acley or Ackley, also Oakley [⟨ AS. Ācleá], literally, oak-lea.
    • n ac A prefix, assimilated form of ad- before c and q, as in accede, acquire, etc.; also an accommodated form of other prefixes, as in accurse, accloy, accumber, etc. See these words.
    • n ac An adjective-suffix of Greek or Latin origin, as in cardiac, maniac, iliac, etc. It is always preceded by -i- and, like -ic, may take the additional suffix -al.
    • ac etc. Points of flexure in the heating curves of iron and steel. The point ac1 on heating is the same as ar1 on cooling, etc.
    • ***


In literature:

Talkin' about my char-ac-ter, an' before that hussy of a girl, too!
"The Strange Case of Mortimer Fenley" by Louis Tracy
Tandem recognita, ac bestiolis captis, risu timorem omnem excussat.
"Notes and Queries, Number 212, November 19, 1853" by Various
Quis ex nostratibus heros in aedibus vivens magnificis, Quis princeps te gubernare aequo ac ille valebit?
"Some Specimens of the Poetry of the Ancient Welsh Bards" by Evan Evans
Just now my ac-tion is run down, and Dor-o-thy has the key to it.
"Ozma of Oz" by L. Frank Baum
Partibus innumeris ac plurimus urbe moratur Nauta, maris coelique vias aperire peritus.
"View of the State of Europe during the Middle Ages, Vol. 3 (of 3)" by Henry Hallam
Cewch hefyd gyfar wyddyd i ollwng Gwaed, ac y gymeryd Purge.
"The Old English Herbals" by Eleanour Sinclair Rohde
AC, Arterial canal or foramen.
"Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3" by Various
AC'ARUS, the genus to which the mite belongs.
"The New Gresham Encyclopedia. Vol. 1 Part 1" by Various
Crebris deinde linguam micatibus ducens, uitam pariter ac uirus efflauit.
"Beowulf" by R. W. Chambers
AC-COM-MO-DA'TION of the Eye.
"A Treatise on Physiology and Hygiene" by Joseph Chrisman Hutchison
Then the blond-haired Tz'ac Tzotz started to sniffle, so I kissed him gently, turned, and took the woman's hand again.
"Life Blood" by Thomas Hoover
The solid phase which is in equilibrium with the solutions AC is pure A; that in equilibrium with BC, pure B.
"The Phase Rule and Its Applications" by Alexander Findlay
Lester reached out and snapped off the AC, filling the room with eerie silence and stifling heat.
"Makers" by Cory Doctorow
Ac-knowledgin' our error, it's done, and bein' done, it's writ aloft.
"The Ordeal of Richard Feverel" by George Meredith
Una nik zembat lore(ac) See what flowers Zuretzat ekharri!
"Basque Legends" by Wentworth Webster
Quis potentum ac divitum non in luto libidinis vixit?
"An Essay on the Development of Christian Doctrine" by John Henry Cardinal Newman
It was dark, quite dark, when I got out of it ac last, and looked about me blinking.
"A Woman's Experience in the Great War" by Louise Mack
Marci Tullii Ciceronis Arpinatis consulisque Romani ac oratorum maximi Ad M. Tullium Ciceronem filium suum Officiorum liber incipit.
"Fine Books" by Alfred W. Pollard
Simultaneously AC moves parallel to itself at uniform speed such that A just describes the line AO in the same length of time.
"Archimedes" by Thomas Little Heath
Sometimes I as-cow-puco Seldom Wica-ac-ko.
"Voyages from Montreal Through the Continent of North America to the Frozen and Pacific Oceans in 1789 and 1793" by Alexander Mackenzie

In poetry:

But, after while--when Bud he bets
'At I can't turn no summersetts,--
I let him come up, ef he can
Ac' ha'f-way like a gentleman!
"The Old Hay-Mow" by James Whitcomb Riley
Ac. Thou zealous patron of the winged Boy,
Well hast thou pleaded thy blind Archers Case;
Pray Jove thou maist deserve a lusty fee
For this Herculean labour of thy tongue.
"Rhodon And Iris. Act I" by Ralph Knevet
Ac. Nay, be assur'd (proud man) not any smart,
Can cure the courage of a valiant heart:
No force a heart of adamant can breake;
And loosers must, and shall have leave to speake:
"Rhodon And Iris. Act II" by Ralph Knevet
And done a thousand little ac's o' kindness and respec'--
And me a-wishin' all the time that I could break his neck!
My relief was like a mourner's when the funeral is done
When they moved to Illinois in the Fall o' Forty-one.
"Farmer Whipple--Bachelor" by James Whitcomb Riley
"Onlike the previous speaker, Mr. Sutter of Yreka, he was but a
humble seeker--and not like him--a cuss"--
It was here that Mr. Sutter softly reached for Mr. Cutter, when the
latter with a stutter said: "ac-customed to discuss."
"A Question Of Privilege" by Francis Bret Harte

In news:

Real Madrid vs AC Milan.
SAE 's J1772 'combo connector' for ac and dc charging advances with IEEE's help.
An external common AC/DC bus reduces hardware requirements and allows for seamless scalability , using a single platform for either single-axis or multiaxis systems.
An error was found in one of the AC tester schematics that ran in Kevin Gorga's June 2012 article, "AC Tester" ( Circuit Cellar 263).
AC impedance of the perineurium of the frog sciatic nerve .
Requires two AC adapters to be plugged in for full performance.
The new sirens will operate on both AC and DC current, allowing them to still be active if the power goes out.
Former Chelsea and AC Milan star retired after an 18-year career after Euro 2012.
After 5 bands performed at Q-Ruption, around 10:09pm the SPAC PA system blared AC/DC "For Those About To Rock", the lights went dark and Godsmack took the stage.
Energy measurement SoC provides higher-level management of AC/DC power supplies.
There were very few high-major coaches who attended the entire Live in AC AAU event in late July.
Unless you have a car or don't mind staying within a one-mile radius of campus for the next four years, chances are good you'll be taking AC Transit often during your time in Berkeley.
Stiff Upper Lip Rotates Concert of AC/DC.
AC/DC's mammoth power chord roar became one of the most influential hard rock sounds of the '70s.
AC Milan wants Ronaldinho and Andriy Shevchenko, and Ronaldinho and Andriy Shevchenko want to move to AC Milan.

In science:

Note that the above solution is valid in the weak (A ≤ Ac ) regime, where Ac is the critical area.
Generating Functional and Large N-Limit of Nonlocal 2D Generalized Yang-Mills Theories ($nlgYM_2$'s)
Taking the limit W → ∞ of this inequality yields ac (∞) ≥ ac .
High precision simulations of the longest common subsequence problem
Together with Eq. (37) this establishes the equality between the infinite width limit of the ac (W ) and the Chv´atal-Sankoff constant ac .
High precision simulations of the longest common subsequence problem
Since the natural inclusion bS (ϕ-ac) → bS (X ) is homotopy equivalent, we have bπ∗ (| bS (ϕ-ac)|, chGS ) ≃ bπ∗ (| bS (X )|, chGS ).
Higher arithmetic K-theory
We may suppose that ac(π) = 1, otherwise we could replace π by π/a where a is an arbitrary element with v(a) = 0 and ac(a) = ac(π).
Grothendieck rings of Laurent series fields
Let ac : K → Fp be the angular component ac(x) = p−r t−sx mod M for nonzero x with v(x) = (s, r).
Grothendieck rings of Laurent series fields
For any status set S , we denote by A-Cl (S ) the smallest set S ′ ⊇ S such that S ′ is closed under (AC 1) and (AC 2), i.e., actionclosed.
Logic-Based Specification Languages for Intelligent Software Agents
An angular component map is a homomorphism ac : K × → ¯K × such that ac(x) = ¯x if v(x) = 0.
Grothendieck rings of \mathbb{Z}-valued fields
We say that the structure (K, L) satisfies condition (∗) if we can choose an angular component map ac and an L-definable element π ∈ R with v(π) = 1 and ac(π) = 1 such that the sets R and R(1) = {x ∈ R|ac(x) = 1} are L-definable.
Grothendieck rings of \mathbb{Z}-valued fields
Note that the ACS image areas for the CDF-S and the HDF-N are both smaller than (and are completely within) their respective Chandra image fields. 546 out of the 829 sources in the Alexander catalogue (CDF-S: 222/326, HDF-N: 324/503) fall within the ACS image area.
Discovery of optically faint obscured quasars with Virtual Observatory tools
In virtue of the last property, H (ωn ) and H (eγ ) only differ by a compactly supported, bounded potential, so that σac (H (ωn )) = σac (H (eγ )) ⊂ U c 1 .
Generic sets in spaces of measures and generic singular continuous spectrum for Delone Hamiltonians
In virtue of the last property, H (ωn ) and H (γ ) only differ by a compactly supported, bounded potential, so that σac (H (ωn )) = σac (H (γ )) ⊃ U1 .
Generic sets in spaces of measures and generic singular continuous spectrum for Delone Hamiltonians
Note that Ac has a metric simplicial structure (induced from the structure on D ) with discrete automorphism group Aut(Ac ) .
Automorphisms and abstract commensurators of 2-dimensional Artin groups
For time-reversible Markov chains, if t = π(Au ) ≤ π(A) then Au is the set of size t with the highest flow into A, so the smallest flow into Ac , and therefore Ψ(t, Ac ) = Q(Au , Ac ).
Vertex and edge expansion properties for rapid mixing
If B is the set where the infinum in ←−Ψ (t, Ac ) is achieved then f (t) is the average probability of the reversed chain making a transition from a point in B to Ac in a single step.
Vertex and edge expansion properties for rapid mixing