Noun | 1. | prime meridian - meridian at zero degree longitude from which east and west are reckoned (usually the Greenwich longitude in England) |

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Primary union

primary winding

Primate

Primates

Primateship

Primatial

Primatical

primatology

Primaxin

Prime

Prime and ultimate ratio

Prime Computer

Prime conductor

prime factor

Prime figure

prime interest rate

**-- prime meridian --**

prime minister

prime mover

prime number

prime number theorem

prime of life

Prime of the moon

prime quantity

prime time

Prime vertical

Prime-vertical dial

Prime-vertical transit instrument

primed

Primely

Primeness

Primenet, Inc.

Primer

primary winding

Primate

Primates

Primateship

Primatial

Primatical

primatology

Primaxin

Prime

Prime and ultimate ratio

Prime Computer

Prime conductor

prime factor

Prime figure

prime interest rate

prime minister

prime mover

prime number

prime number theorem

prime of life

Prime of the moon

prime quantity

prime time

Prime vertical

Prime-vertical dial

Prime-vertical transit instrument

primed

Primely

Primeness

Primenet, Inc.

Primer