周

whole year

circumference

surroundings

circumference

common knowledge

one round

circumference

cycle

frequency (esp. of waveforms)

one full year

careful

high frequency

first anniversary of a person's death

outer circumference

diurnal

diurnal rhythm

inner circumference

Eastern Zhou dynasty (of China; 771-256 BCE)

periphery

when you really think about it

division

how others look at you

second time around

period

Northern Zhou dynasty (of China; 557-581)

going around the entirety (of a place)

going around

circuit track

round-the-world trip

Later Zhou dynasty (of China; 951-960)

perimeter

diurnal cycle

saros period (approx. 18 years and 11 days between repetition of eclipses)

periodic

counter for laps or circuits

Suō (former province located in the southeast of present-day Yamaguchi Prefecture)

periodic table

Western Zhou dynasty (of China; ca. 1046-771 BCE)

neighboring countries

marginalization

periodicity

the full scope of the heavens

second time at life (oft. jokingly of precocious children)

synodic period

common knowledge

endpoint node

flowing around

pi (3.1415926...)

menstrual cycle

diurnal motion

perinatal period

perinatal medical center (centre)

epicycle

common knowledge

photoperiodism

(circular) tour

surface of a cylinder

frequency demultiplier

perinatology

divination (based on the Book of Changes)

common knowledge

period of revolution

estrous cycle

clock division circuit

rotation period

diurnal parallax

annual parallax

angle at the circumference

circumnavigation

perimeter

fringe science

width

frequency meter

short cycle

Shunan University

cycle

being one or more laps behind (in a race)

peripatric speciation

surrounding countries

scrupulous

sunspot cycle

periodic table of elements

sampling frequency

clock frequency

Doppler frequency

Nyquist frequency

frequency spectrum

frequency hopping

radio frequency

round-the-world trip

frequency modulation

periodic law

peripheral

very careful

marginal probability

intermediate frequency

high frequency

fundamental frequency

processor frequency

Around the World in Eighty Days (1873 novel by Jules Verne)

low-frequency noise pollution

surrounding environment

confusion

peripheral equipment

radio frequency

frequency characteristic

periderm

FDD

Frequency-Division Multiplexer

center versus periphery theory

frequency band

peripheral vision

solar cycle

circumpolar star

frequency modulation

endpoint node

excursion ticket

perinatal care

ambient temperature

ultra low frequency

different frequency

marginalization

scanning frequency

agent

second anniversary of a death

lunar orbit

frequency band

periodic table of the elements

peripheral wall

spectrum management

audio frequency

periphery

periodontal disease

radio frequency

orbit

angular frequency

broker

making (something) known to everyone

periodontal pocket

periodontal

periodic law

periglacial

frequency shift keying

periodontics

cell cycle

low-frequency earthquake

marginal probability distribution

Frequency Modulation

infra-sound

AF