What's the difference between against and contact?

Against


Definition:

  • (prep.) Abreast; opposite to; facing; towards; as, against the mouth of a river; -- in this sense often preceded by over.
  • (prep.) From an opposite direction so as to strike or come in contact with; in contact with; upon; as, hail beats against the roof.
  • (prep.) In opposition to, whether the opposition is of sentiment or of action; on the other side; counter to; in contrariety to; hence, adverse to; as, against reason; against law; to run a race against time.
  • (prep.) By of before the time that; in preparation for; so as to be ready for the time when.

Example Sentences:

Contact


Definition:

  • (n.) A close union or junction of bodies; a touching or meeting.
  • (n.) The property of two curves, or surfaces, which meet, and at the point of meeting have a common direction.
  • (n.) The plane between two adjacent bodies of dissimilar rock.

Example Sentences:

  • (1) Contact angles of Silafocon A and PMMA were relatively uninfluenced by front surface radii between 7.7 and 8.85 and 7.3 to 8.8 mm, respectively.
  • (2) The correlates of three characteristics of familial networks (i.e., residential proximity, family affection, and family contact) were examined among a national sample of older Black Americans.
  • (3) 119 representatives of this population were checked in their sexual contacts; of these, 13 persons proved to be infected with HIV.
  • (4) Aside from these characteristic findings of HCC, it was important to reveal the following features for the diagnosis of well differentiated type of small HCC: variable thickening or distortion of trabecular structure in association with nuclear crowding, acinar formation, selective cytoplasmic accumulation of Mallory bodies, nuclear abnormalities consisting of thickening of nucleolus, hepatic cords in close contact with bile ducts or blood vessels, and hepatocytes growing in a fibrous environment.
  • (5) The discussion on topics like post-schooling and rehabilitation of motorists has intensified the contacts between advocates of traffic law and traffic psychologists in the last years.
  • (6) However, none of the nerve terminals making synaptic contacts with glomus cells exhibited SP-like immunoreactivity.
  • (7) The UK's standard position on ICC indictees is to avoid all contact unless "essential".
  • (8) When compared with nonspecialized regions of the cell membranes, these contact sites were characterized by a decreased intercellular distance, subplasmalemmal densities and coated pits.
  • (9) Several dimensions of the outcome of 86 schizophrenic patients were recorded 1 year after discharge from inpatient index-treatment to complete a prospective study concerning the course of illness (rehospitalization, symptoms, employment and social contacts).
  • (10) In contrast sham-hemodialysis in group CA and group PS, respectively, did not result in significant increases in amino acid efflux from the leg implying that the protein catabolic effect of blood membrane contact depends on the chemical properties of dialysis membranes.
  • (11) Ten milliliters of the solution inappropriately came into contact with nasal mucous membranes, causing excessive drug absorption.
  • (12) The results indicated that the role of contact inhibition phenomena in arresting cellular proliferation was diminished in perfusion system environments.
  • (13) Rifampin is recommended as a prophylactic treatment for intimate contacts of young children who develop invasive infections with Haemophilus influenzae type B (Hib).
  • (14) One ejaculation followed by daily contact with soiled bedding taken from a male's cage did not increase pregnancy rates.
  • (15) No statistically significant differences were noted between the IgE-levels, the age of our patients, the type and number of contact allergens, and the duration of skin lesions.
  • (16) The penetration coefficient, determined by the surface tension, contact angle and viscosity, is a measure of the ability of a liquid to penetrate into a capillary space, such as interproximal regions, gingival pockets and pores.
  • (17) The third patient was using an extended-wear soft contact lens for correction of residual myopia.
  • (18) Since the employment of microwave energy for defrosting biological tissues and for microwave-aided diagnosis in cryosurgery is very promising, the problem of ensuring the match between the contact antennas (applicators) and the frozen biological object has become a pressing one.
  • (19) (1) Gastrin release is suppressed primarily by direct contact of acid with the antrum.
  • (20) We retrospectively studied the incidence and course of epoxy resin contact dermatitis in 2265 patients in whom contact dermatitis was confirmed by patch testing.