Math word that is 11 letters?

Some eleven letter Words are:

Accommodate

Beneficiary

Carbonation

Disobedient

Extroverted

Fingerprint

Grasshopper

Haughtiness

Impetuously

Justifiable

Kindhearted

Lawlessness

Mathematics

Naturalized

Offhandedly

Performance

Quarantined

Recognition

Sentimental

Thunderbird

Ultramarine

Vicissitude

Whimsically

Xerographic

Yesteryears

Zealousness