(n.) A soft, earthy substance, of a white, grayish, or yellowish white color, consisting of calcium carbonate, and having the same composition as common limestone.
(n.) 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.
(v. t.) To rub or mark with chalk.
(v. t.) To manure with chalk, as land.
(v. t.) To make white, as with chalk; to make pale; to bleach.
Example Sentences:
(1) The young screenwriters possibly needed to have chalked up a few miles before they could deliver really workable scripts."
(2) The blue skipping rope – that’s the key to this race.” My eight-year-old daughter looked at me like I was mad … but when it came time for the year 3 skipping race, she did as she was told – and duly chalked up a glorious personal best in third place.
(3) His flicked header into the net seconds later, chalked off by an offside flag, confirmed the forward's luck was not in.
(4) Inside the first 10 minutes, Boyd hit the bar and Lukas Jutkiewicz saw a goal correctly chalked off for offside, while Danny Ings headed just wide at 2-1, and substitute Ashley Barnes struck the bar late on.
(5) France chalked up growth of 0.5%, beating economists' expectations, the best growth figures Fran ç ois Hollande has seen since he was elected president 15 months ago.
(6) 2) If the board and adjacent ones are firmly fixed, dust talc or chalk through the cracks to stop them rubbing together.
(7) The phrase chalk and cheese springs to mind, or as the French say jour et nuit – day and night.
(8) Remember the Theater People: the gal rigging lights for her community theater's production of The Chalk Garden in Brainerd, Minnesota.
(9) The house was later covered in chalk and finally became a curious white landmark.
(10) It is recommended that overall average and chalk carving be given equal emphasis in the selection process.
(11) HS2’s barrister, James Strachan QC, was listening closely, however, and addressed specific points with a lawyer’s care to make no rash promises: HS2’s noise would be less than traffic on the A413; HS2 were working with the RSPB to “mitigate” for barn owls; and, “If there’s a need for chalk grassland, that’s the sort of thing that can be put into these areas to compensate.” Wendy Gray was allowed to respond: “It’s very difficult to be reassured on an unknown quantity,” she said.
(12) According to the sonographic pattern and to the scintigraphic imaging the focal lesions were analysed as micro- or macrofollicular adenomas, autonomous adenomas, cysts and chalk.
(13) Shortly after arriving in Rome, Las Vegas and Tallinn, however, the lines of gameless resolve I had chalked across my mind were wiped clean.
(14) The economy is forecast to chalk up only 0.75% growth this year, and to contract by 1% in 2009 - which would be the first full year of contraction since 1991.
(15) Look, Newsnight is made by 13-year-olds,” he said, speaking at the Chalke Valley history festival about his new book on the first world war.
(16) A series of 75 spoilt soft lenses with opacities (mostly manifesting as discrete spots or as large areas of cloudiness, chalk-white in appearance) were subjected to histochemical, electron microscopical, electron probe x-ray microanalytical, x-ray diffraction, atomic absorption spectro-photometric, and biochemical analyses.
(17) A suspension of chalk powder was injected into the cavity of the urinary bladder of Fischer 344 rats.
(18) The reactivity of soils varies widely as geological and sedimentological conditions offer typical but different environments: gravels, chalk soil, clay, salt soils, sands, cave earths are examples of this wide variety, including atmospheric and biogenetic implications.
(19) A staircase descends steeply into a network of tunnels and cellars that lead to extraordinary old chalk pits.
(20) Photograph: Graham Turner for the Guardian But to date, the prospect of building on abandoned north Kent chalk quarries, has been so unattractive to housebuilders that they have delivered homes at the rate of just 25 a year when 1,000 a year are needed.
Cretaceous
Definition:
(a.) Having the qualities of chalk; abounding with chalk; chalky; as, cretaceous rocks and formations. See Chalk.
Example Sentences:
(1) In the investigation, the arcade-shaped prisms typical of recent mammals were first seen in material from the Cretaceous period.
(2) Fossil glycoproteins of the soluble organic matrix are present in an 80-million-year-old mollusk shell from the Late Cretaceous Period.
(3) The Masiakasaurus knopfleri, a theropod dinosaur from the Late Cretaceous period, was named after him in 2001.
(4) Species of Spirorchis arose and diversified with North America emydids following the separation of North America and Europe in the late Cretaceous or early Tertiary periods.
(5) The diversity of tetrapods increased from the Devonian to the Permian, remained roughly constant during the Mesozoic, and then began to increase in the late Cretaceous, and continued to do so during the Tertiary.
(6) We report here the discovery of two mammal teeth from the early Cretaceous of Cameroon.
(7) Consequently, the brain's geometry has changed notably since the late Cretaceous.
(8) The known range of the Primates is extended down from the middle Paleocene to the early Paleocene and late Cretaceous by a new genus and two new species from Montana, Purgatorius unio and P. ceratops.
(9) In the Late Cretaceous (80 to 65 million years ago) when the fossil record improves, mammalian enamel investigated from North American localities, are found to be prismatic; allotherian (multituberculate) and metatherian (marsupial) enamels are usually tubular, while eutherian (placental) ones are not.
(10) Spirorchinae arose later (late Cretaceous period) as a Laurasian component parasitic in the more recent pond turtles (Emydidae + Bataguridae).
(11) Dr Corwin Sullivan of the Institute of Palaeontology and Palaeoanthropology states that “It’s always great to meet a new Cretaceous tyrant, and Lythronax might just be a particularly noteworthy one.
(12) Dr Lee Margetts, another member of the Manchester team, said: "The new study clearly demonstrates the dinosaur was more than capable of strolling across the Cretaceous planes of what is now Patagonia, South America."
(13) Integral to the origin of the eutherian style of embryogenesis was the evolution during Cretaceous time of neomorphic, extraembryonic tissues (i.e., trophoblast) having physiological properties that allowed the unique combination of intimate apposition of fetal and maternal tissues and circulatory systems, along with sustained, active morphogenesis.
(14) If so, these pathways are as old in phylogenetic history as the last common ancestor of marsupial and placental mammals--dating from the late Jurassic to early Cretaceous, perhaps 145-120 million years ago.
(15) Levels of sequence divergence, as well as the age and affinities of some mainland fossil taxa, suggest that the origin of Cricosaura was associated with the tectonic evolution of the Greater Antilles in the late Cretaceous.
(16) – Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian, Triassic, Jurassic, Cretaceous … 'What will survive of us is love', wrote Philip Larkin.
(17) These changes suggest: (i): an expansion in the exploitation of dry fruits and seeds by mammals on the ground as well as in the trees after the terminal Cretaceous dinosaur extinction; (ii) a relation between large nuts and rodents, which appear in the late Palaeocene and radiate in the late Eocene; (iii) a relation between primates and fleshy fruits established in the early-Middle Eocene when tropical forests reached their maximum latitudinal extent; (iv) a hiatus of several million years in the vertebrate exploitation of leaves after dinosaur extinction and before the first few mammalian herbivores in the Middle Palaeocene, followed by an expansion in the late Eocene when climates cooled and more open vegetation became established.
(18) Photograph: Andy Farke In the Late Cretaceous of North America, hadrosaurs were at their peak.
(19) Like these giants from the end of the Cretaceous, Lythronax has a relatively broad skull with the orbits facing forwards.
(20) These showed that the amphiumid and dicamptodontine-rhyacotritonine nerve patterns had evolved by the Late Cretaceous, and the sirenid pattern had probably evolved by that time.