Origin of ortho
Other definitions for ortho (2 of 2)
- a combining form used in the name of that acid in a given series of acids that contains the most water (orthoboric acid).Compare meta-, pyro-.
- 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 (H3BO3) and potassium orthoborate (K3BO3)); if the acid ends in -ous, the corresponding salt ends in -ite (orthoantimonous acid (H3SbO3) and potassium orthoantimonite (K3SbO3)).
Origin of ortho-
How to use ortho in a sentence
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.Birth Control Made My Hair Fall Out, and I’m Not the Only One|Molly Oswaks|October 14, 2014|DAILY BEAST
The influence of position of an alkyl in the aromatic bodies is well shown in ortho-, para- and meta-derivatives.Poisons: Their Effects and Detection|Alexander Wynter Blyth
The ortho molecules rotate with odd rotational quantum numbers, while the para molecules rotate with even quantum numbers.Unwise Child|Gordon Randall Garrett
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.