Numbers, the distinction of, to what belongs, and how applied. (See
Plural Number.) Numbers, cardinal, ordinal, &c., (see Cardinal
Numbers, &c.)
    —­Numbers, abstract, expressions of multiplication in, ("Twice one
      IS two,”
    —­“Twice two ARE four,” &c.,) seven different opinions of
      grammarians respecting, examined by BROWN; who determines the prop.
      forms of expression
    —­Numbers, expressed by letters, how to be considered; whether to be
      marked by the period
    —­combined arithmetical, one adjective relating to an other

Numerals, numeral adjectives, see Adjectives, Numeral. Numerical figures used for references

O.

O, lett., as A, E, I, and U, self-naming
    —­its plural
    —­formation of the plur. of nouns in
    —­sounds properly its own
    —­where sounded as short u
    —­do. as obscure e
    —­diphthongs beginning with
    —­triphth. do. O, interj., with cap. lett.
    —­what emotion indicates
    —­differs from oh
    —­as denoting earnestness, before nouns or pronouns put absol. by
      direct address; is no positive index of the vocative
    —­O, &c., MURR., erron. doctrine concerning, to what teaching it has
      given rise
    —­O, &c., with a case following, Lat. construc. of, examined
    —­O, not unfreq. confounded with oh, even by grammarians.

Obelisk, or dagger, as mark of reference.

Objective case, defined
    —­Obj. case, how distinguished from the nom. in nouns
    —­before the infin. mood, how taken in Eng.
    —­as governed by active-trans. verb or part. 
    —­“Active verbs govern the obj. case,” MURR., defect of this brief
      assertion; its uselessness as a RULE for “the syntax of verbs.”
    —­Obj. case, of how many constructions susceptible
    —­whether infinitives, participles, &c., can be in
    —­two nouns in, after a verb, how parsed,
    —­Whether any verb in Eng. governs two objectives not coupled
    —­Obj. case as governed by passive verbs, erron. allowed by some
    —­what verbs not to be employed without
    —­Obj. case as governed by prep. 
    —­“Prepositions gov. the obj. case,” why the brief assertion is
      exceptionable, as the sole RULE, in parsing prep.

Obsolete or antiquated words, use of, as opposed to purity, PREC. against
    —­Things obsolete in Eng., DR. LATHAM’S attempts to revive.

Ocean, figurative representation of, as uttering his voice in tones of varied quantity.