kiloyear

Gigannum is a related term of kiloyear.

As a noun kiloyear is

(geology|science fiction) a millennium, a period of one thousand years.

Gigayear is a related term of kiloyear.

As nouns the difference between gigayear and kiloyear

is that gigayear is a billion (10⁹) years while kiloyear is (geology|science fiction) a millennium, a period of one thousand years.

Megayear is a related term of kiloyear.

As nouns the difference between megayear and kiloyear

is that megayear is a million (10⁶) years while kiloyear is (geology|science fiction) a millennium, a period of one thousand years.

As nouns the difference between year and kiloyear

is that year is the time it takes the earth to complete one revolution of the sun (between 36524 and 36526 days depending on the point of reference) while kiloyear is (geology|science fiction) a millennium, a period of one thousand years.

As a numeral thousand

is (cardinal) a numerical value equal to = 10 × 100 = 10³.

As a noun kiloyear is

(geology|science fiction) a millennium, a period of one thousand years.

As nouns the difference between period and kiloyear

is that period is (obsolete|medicine) the length of time for a disease to run its course while kiloyear is (geology|science fiction) a millennium, a period of one thousand years.

As an adjective period

is appropriate for a given historical era.

As an interjection period

is (chiefly|north america) and nothing else; and nothing less; used for emphasis.

As a verb period

is (obsolete|intransitive) to come to a period; to conclude.

As nouns the difference between millennium and kiloyear

is that millennium is millennium (thousand-year period) while kiloyear is (geology|science fiction) a millennium, a period of one thousand years.

Kybp is likely misspelled.

Kybp has no English definition.

As a noun kiloyear

is a millennium, a period of one thousand years.

As a noun kiloyear

is (geology|science fiction) a millennium, a period of one thousand years.