(n.) Any foul of filthy substance, as excrement, mud, dust, etc.; whatever, adhering to anything, renders it foul or unclean; earth; as, a wagonload of dirt.
(n.) Meanness; sordidness.
(n.) In placer mining, earth, gravel, etc., before washing.
(v. t.) To make foul of filthy; to dirty.
Example Sentences:
(1) But this morning's right-of-centre national papers were determined to rub his nose in the dirt.
(2) He got so bad that I - and this is true - turned off the television and went outside to watch my son add to his dirt collection.
(3) But Gates’s decision to “bump off from art” and live “in the sphere of dirt, the dirty, the stuff that we think is in the ground” was revelatory, leading to invitations to Davos and a TED Talk, where he talked about how he revived a neighborhood with imagination and hard graft .
(4) Earlier this year, a century-old wasteland of limestone and red dirt in south-west Nigeria was transformed into the biggest cement plant in Africa.
(5) Along with Woody Guthrie and Lead Belly, he brought the music of the dirt farms, the sweat shops and the lonesome highways into America's – and later the world's – living room.
(6) The land is held by the Navajo people, and visitors must pay an access fee to drive through the tribal park on a 17-mile dirt loop, which is suitable for all cars when dry but impassable after a storm ( usually in late summer).
(7) It’s a bit of a trek to get there: a few kilometres drive along a dirt road and then a short walk, with arrows painted on stones.
(8) Apparently, optimal disinfection of contaminated knives is extremely difficult to attain without the use of mechanical forces such as a high pressure water jet to remove the dirt.
(9) This state of high resistance to infection can be reduced by several factors which include circulatory embarrassment, tissue injury, dead space, and the presence of foreign bodies (dirt, sutures, drains, etc.).
(10) Among the prime concerns, especially for facial skin, is the type of dirt, debris, or make-up to be removed.
(11) We’re out there one night ’til 3am shoveling dirt on the fire.
(12) The land that when you shed your shoes and walk, you feel every grain of dirt and every blade of grass and for a moment, everything is right in the world and you are in your rightful place in it.
(13) Because the all-hallowed children must learn from their elders to exercise, every adult entering Hampstead Heath must hit the dirt for a set of 25 press-ups.
(14) Elevated concentrations of the soil fungi were significantly (P = 0.05) associated with the dirt floor, crawl-space type of basement.
(15) With its dirt pavements and crumbling wooden homes, the city of Kirov is a city stuck in time.
(16) Another former colleague in the psychological operations unit, Fred Allen Lucas, said that Page called him a "race traitor" for dating Latina women and took to calling other races "dirt people".
(17) Observations for estrus were conducted three times daily in a dirt paddock containing a testosterone-treated cow.
(18) On the outskirts of Juba, along a dirt road just past the UN camp, opposition forces clad in new uniforms and boots lined up for a military parade.
(19) Lead antiknock additives are therefore not a significant contributor to the lead content of dirt around houses where children usually play.
(20) As the result of smear slide evaluation, it was concluded that proper sputum specimens have been smeared but smears were generally too thin and contaminated with too many dirt .
Stain
Definition:
(v. t.) To discolor by the application of foreign matter; to make foul; to spot; as, to stain the hand with dye; armor stained with blood.
(v. t.) To color, as wood, glass, paper, cloth, or the like, by processess affecting, chemically or otherwise, the material itself; to tinge with a color or colors combining with, or penetrating, the substance; to dye; as, to stain wood with acids, colored washes, paint rubbed in, etc.; to stain glass.
(v. t.) To spot with guilt or infamy; to bring reproach on; to blot; to soil; to tarnish.
(v. t.) To cause to seem inferior or soiled by comparison.
(v. i.) To give or receive a stain; to grow dim.
(n.) A discoloration by foreign matter; a spot; as, a stain on a garment or cloth.
(n.) A natural spot of a color different from the gound.
(n.) Taint of guilt; tarnish; disgrace; reproach.
(n.) Cause of reproach; shame.
(n.) A tincture; a tinge.
Example Sentences:
(1) The patterns observed were: clusters of granules related to the cell membrane; positive staining localized to portions of the cell membrane, and, less commonly, the whole cell circumference.
(2) Within the outflow tract wall, the labelled cells were enmeshed by strands of alcian blue-stained extracellular matrix.
(3) The nuclear origin of the Ha antigen was confirmed by the speckled nuclear immunofluorescence staining pattern given by purified antibody to Ha obtained from a specific immune precipitate.
(4) The content of the cavities was not stained by any of the immunocytochemical reactions applied.
(5) The dependence of fluorescence polarization of stained nerve fibres on the angle between the fibre axis and electrical vector of exciting light (azimuth characteristics) has been considered.
(6) Moreover, in DCVC-treated cells the mitochondria could not be stained with rhodamine-123, indicating severe mitochondrial damage and loss of membrane potential.
(7) Immunofluorescent staining for HLA-DR showed dermal positivity in 12 of 13 involved- and 9 of 13 uninvolved-skin biopsy specimens from scleroderma patients, compared with only 1 of 10 controls.
(8) From these results it was concluded that FITC-Con A staining method applied to smear specimens is more advantageous in the rapidity and the simplicity for tumor cell diagnosis than section specimen method.
(9) Further purification of ZAB by filtration through Sephadex G-100 gave a preparation (ZAB2) which contained the common antigen as shown by the cross-reactivity of anti-ZAB2 rat serum with seven stains of N. gonorrhoeae.
(10) It has been found that the epidermal staining pattern for ICAM-1 in each of these diseases in distinctive and different in each disease.
(11) After either 5 or 10 days of culture with both cytokines, intense immunofluorescent staining for Ia could be identified on the surface of greater than 80-90% of the viable islet cells.
(12) In the second comparison, HSV was isolated from 225 of 1,026 (21.9%) specimens and duplicate human foreskin fibroblast cell wells stained at 24 and 72 h were PAP positive in 241 of 1,026 (23.5%).
(13) The epithelium of Brunner's gland stained intensely with Ricinus communis agglutinin-I (RCA-I), succinylated-WGA (S-WGA) and wheat-germ agglutinin (WGA), moderately with Bandeirea simplicifolia agglutinin-I (BS-I), Concanavalia ensiformis agglutinin (Con A) peanut agglutinin (PNA) and Ulex europaeus agglutinin-I (UEA-I) and occasionally with Dolichos biflorus agglutinin (DBA), Lens culinaris agglutinin (LCA) and soybean agglutinin (SBA).
(14) Using serial section electron microscopic reconstructions as a reference, we have chosen as our standard procedure a method that maximizes both the preservation of the cytoskeleton and the proportion of cells staining, while minimizing the degree of nonspecific staining.
(15) One major band with a molecular weight of 12,000 was detected by autofluorography and coincided with the Coomassie staining band of apocytochrome c from S. cerevisiae.
(16) Pitlike surface structures seen in negatively stained whole cells and thin sections were correlated with periodically spaced perforations of the rigid sacculus.
(17) In the present study, 125 oesophageal biopsies obtained under direct vision at endoscopy from 22 patients with Barrett's oesophagus were systematically studied using fluorescence and peroxidase antiperoxidase single and double-staining immunocytochemical methods employing highly specific antibodies to localize the following peptide-containing cell types in Barrett's mucosa: gastrin, somatostatin, gastric inhibitory polypeptide, motilin, neurotensin and pancreatic glucagon.
(18) The rate of nuclei stained by Pr-122 is different from that of Pr-192 in both growing and quiescent cultures.
(19) This light microscopic comparison of viable FDA- and nonviable PI-stained cysts of G. muris demonstrates that 2 types of cysts can be distinguished and implies that structural differences can be used to identify these subpopulations of cysts.
(20) Benign and malignant epithelial and soft tissue tumors of the skin were usually negatively stained with MoAb HMSA-2.