Advertisement
Advertisement
ortho
1[ awr-thoh ]
ortho-
2- a combining form occurring in loanwords from Greek, where it meant “straight,” “upright,” “right,” “correct” ( orthodox ) and on this model used in the formation of compound words ( orthopedic ).
- Chemistry.
- a combining form used in the names of the salts of these acids: if the acid ends in -ic, the corresponding salt ends in -ate ( orthoboric acid (H 3 BO 3 ) and potassium orthoborate (K 3 BO 3 )); if the acid ends in -ous, the corresponding salt ends in -ite ( orthoantimonous acid (H 3 SbO 3 ) and potassium orthoantimonite (K 3 SbO 3 )).
ortho-
combining_form
- straight or upright
orthotropous
- perpendicular or at right angles
orthoclastic
- correct or right
orthodox
orthodontics
orthoptics
orthography
orthodinitrobenzene
- denoting an oxyacid regarded as the highest hydrated form of the anhydride or a salt of such an acid See meta-
orthophosphoric acid
- denoting a diatomic substance in which the spins of the two atoms are parallel See para- 1
orthohydrogen
Discover More
Word History and Origins
Origin of ortho2
Discover More
Word History and Origins
Origin of ortho1
Discover More
Example Sentences
Ortho Sol makes precision screws for the most delicate of construction projects: spinal fusion.
And also those that contain norgestimate, which include Ortho-Cyclen and Tri-Cyclen.
The influence of position of an alkyl in the aromatic bodies is well shown in ortho-, para- and meta-derivatives.
The ortho molecules rotate with odd rotational quantum numbers, while the para molecules rotate with even quantum numbers.
This block is of the ortho-cerite stratum of Drummond Island.
This substance readily yields ortho-oxybenzoic acid or salicylic acid, which on nitration yields two mononitro-oxybenzoic acids.
It is well known that di-ortho-substituted benzoic acids are esterified with difficulty.
Advertisement
Advertisement
Advertisement
Advertisement
Browse