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chalk    音标拼音: [tʃ'ɑk] [tʃ'ɔk]
n. 粉笔,白垩
vt. 用粉笔写,记录

粉笔,白垩用粉笔写,记录

chalk
n 1: a soft whitish calcite
2: a pure flat white with little reflectance
3: an amphetamine derivative (trade name Methedrine) used in the
form of a crystalline hydrochloride; used as a stimulant to
the nervous system and as an appetite suppressant [synonym:
{methamphetamine}, {methamphetamine hydrochloride},
{Methedrine}, {meth}, {deoxyephedrine}, {chalk}, {chicken
feed}, {crank}, {glass}, {ice}, {shabu}, {trash}]
4: a piece of calcite or a similar substance, usually in the
shape of a crayon, that is used to write or draw on
blackboards or other flat surfaces
v 1: write, draw, or trace with chalk

Chalk \Chalk\ (ch[add]k), n. [AS. cealc lime, from L. calx
limestone. See {Calz}, and {Cawk}.]
1. (Min.) A soft, earthy substance, of a white, grayish, or
yellowish white color, consisting of calcium carbonate,
and having the same composition as common limestone.
[1913 Webster]

2. (Fine Arts) Finely prepared chalk, used as a drawing
implement; also, by extension, a compound, as of clay and
black lead, or the like, used in the same manner. See
{Crayon}.
[1913 Webster]

{Black chalk}, a mineral of a bluish color, of a slaty
texture, and soiling the fingers when handled; a variety
of argillaceous slate.

{By a long chalk}, by a long way; by many degrees. [Slang]
--Lowell.

{Chalk drawing} (Fine Arts), a drawing made with crayons. See
{Crayon}.

{Chalk formation}. See {Cretaceous formation}, under
{Cretaceous}.

{Chalk line}, a cord rubbed with chalk, used for making
straight lines on boards or other material, as a guide in
cutting or in arranging work.

{Chalk mixture}, a preparation of chalk, cinnamon, and sugar
in gum water, much used in diarrheal affection, esp. of
infants.

{Chalk period}. (Geol.) See {Cretaceous period}, under
{Cretaceous}.

{Chalk pit}, a pit in which chalk is dug.

{Drawing chalk}. See {Crayon}, n., 1.

{French chalk}, steatite or soapstone, a soft magnesian
mineral.

{Red chalk}, an indurated clayey ocher containing iron, and
used by painters and artificers; reddle.
[1913 Webster]


Chalk \Chalk\, v. t. [imp. & p. p. {Chalked}; p. pr. & vb. n.
{Chalking}.]
1. To rub or mark with chalk.
[1913 Webster]

2. To manure with chalk, as land. --Morimer.
[1913 Webster]

3. To make white, as with chalk; to make pale; to bleach.
--Tennyson.
[1913 Webster]

Let a bleak paleness chalk the door. --Herbert.
[1913 Webster]

{To chalk out}, to sketch with, or as with, chalk; to
outline; to indicate; to plan. [Colloq.] "I shall pursue
the plan I have chalked out." --Burke.
[1913 Webster]

217 Moby Thesaurus words for "chalk":
air brush, alabaster, art paper, ballpoint pen, besnow, blackboard,
blanch, blaze, blaze a trail, bleach, blemish, blotch, book, brand,
brush, calcimine, calendar, camera lucida, camera obscura, canvas,
cartoon, carve, catalog, chalk up, charcoal, check, check in,
check off, chronicle, cicatrize, color, copy, crayon, crosshatch,
cut, dapple, dash, dash off, daub, define, delimit, delineate,
demarcate, depict, design, diagram, discolor, docket, doodle, dot,
draft, draw, drawing paper, drawing pencil, drier, driven snow,
easel, engrave, enroll, enscroll, enter, eraser, etiolate, file,
fill out, fixative, fleck, fleece, flour, foam, freckle, frost,
gash, grave, grizzle, ground, hatch, impanel, impress, imprint,
incise, index, ink, inkhorn, inkstand, inkwell, inscribe, insert,
invisible ink, ivory, jot down, lay figure, lead pencil, lily,
limn, line, list, log, maggot, make a mark, make a memorandum,
make a note, make an entry, make out, mark, mark down, mark off,
mark out, matriculate, maulstick, medium, milk, minute, mottle,
nib, nick, notch, note, note down, paint, paint a picture,
paintbrush, palette, palette knife, paper, pastel, pearl, pen,
pencil, pepper, picture, picturize, pigments, pipe-clay,
place upon record, plume, point, poll, portray, post, post up,
prick, print, punch, punctuate, puncture, put down, put in writing,
put on paper, put on tape, quill, record, reduce to writing, reed,
register, riddle, scar, scarify, score, scotch, scratch,
scratchboard, scumble, seal, seam, set down, shade, sheet,
siccative, silver, sketch, sketchbook, sketchpad, slate, snow,
spatula, speck, speckle, splotch, spot, spray gun, stain, stamp,
stencil, stigmatize, streak, striate, stripe, stump, style,
stylograph, stylus, swan, sympathetic ink, table, tablet, tabulate,
take down, tape, tape-record, tattoo, tick, tick off, tint, trace,
underline, underscore, varnish, videotape, white, whiten,
whitewash, write, write down, write in, write out, write up



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  • Chalk - Wikipedia
    Chalk is a soft, white, porous, sedimentary carbonate rock It is a form of limestone composed of the mineral calcite and originally formed under the sea by the accumulation and lithification of hard parts of organisms, mostly microscopic plankton, which had settled to the sea floor Chalk is common throughout Western Europe, where deposits underlie parts of France, and steep cliffs are often
  • Auth | Chalk
    " I absolutely love Planboard!!! It is so practical and such a time saver I have been using it non-stop for 3 weeks and I have completely ditched my paper planner "
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  • CHALK Definition Meaning - Merriam-Webster
    The meaning of CHALK is a soft white, gray, or buff limestone composed chiefly of the shells of foraminifers How to use chalk in a sentence
  • Chalk (Sedimentary Rock): Formation, Composition Uses
    Chalk is a soft, white sedimentary rock formed from marine microfossils Learn its formation, mineral composition, properties, famous deposits, and uses
  • The AI Data Platform | Context + Infra for Agents + Models | Chalk
    Chalk makes it simple for data teams to focus on building the unique products and models that make their businesses thrive
  • Communities in Harmony Advocating for Learning Kids (CHALK)
    Communities in Harmony Advocating for Learning and Kids (CHALK) provides a range of youth services with a specific focus on transformative youth development and employment CHALK’s employment programs place in-risk youth on the front lines as service workers with their peers Youth are trained, supported, and gain essential job and life skills, all while positively contributing to the community
  • Amazon. com: Chalk
    Find durable, break-resistant chalk that delivers vibrant colors and crisp lines Shop bulk sets and individual packs
  • Chalk - Simple English Wikipedia, the free encyclopedia
    The Severn Sisters chalk cliffs in Sussex Blackboard chalk Chalk is a type of limestone It was made by calcareous (CaCO 3) skeletons of tiny planktonic algae called coccoliths They live in the sea in huge numbers They make chalk (CO 2) as a by-product of their photosynthesis The chalk cliffs of Dover and elsewhere were made when England was below the equator in a tropical sea It was in
  • Chalk | Sedimentary, Limestone, Calcium Carbonate | Britannica
    chalk, soft, fine-grained, easily pulverized, white-to-grayish variety of limestone Chalk is composed of the shells of such minute marine organisms as foraminifera, coccoliths, and rhabdoliths The purest varieties contain up to 99 percent calcium carbonate in the form of the mineral calcite The sponge spicules, diatom and radiolarian tests (shells), detrital grains of quartz, and chert





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