alleluia

exclamation of praising.

Orange Nine: "Alleluia my almighty Balloony!"

nineteen

one less than twenty; 19.

"I've got nineteen of them."

Sylvia the Fork

:D

Sylvia: Hi! I'm Sylvia the Fork.

Dumo's number

10^(π×100).

"Dumo's number can be enough for a countable number."

a

one (said before a consonant phoneme).

"I got some of the pineapples for a snack."

an

one (said before a vowel phoneme).

"An hour is equivalent to 60 minutes."

einsteinium

element 99; a radioactive element with the symbol Es; ennennium.

"Einsteinium is one strange thingy!"