词根词缀：physic-, physico-, physi-, physio-, phy-

【来源及含义】Greek: nature, natural, inborn [to make grow, to produce]

【同源单词】abiophysiology, adenohypophysis, adenohypophysitis, aerophysics, aesthophysiology, anapophysis

词根词缀：phyto-, phyt-, -phyte

【来源及含义】Greek: a plant; growth [growing in a specified way or place; to produce]

【同源单词】acarophytism, acrophyte, acropleustophyte, acropleustophytic, aerophyte, aigialophyte

词根词缀：pici-, pic-

【来源及含义】Latin: woodpecker

【同源单词】Picidae, piciform, Piciformes, Picinae, picine, picoid

词根词缀：pico-

【来源及含义】Italian: very small or from Spanish, "beak, tip, very small"; and from Latin, beccus, beak; also, a decimal prefix used in the international metric system for measurements

【相关描述】This prefix is used in metric [decimal] system as trillionth [U.S.] and billionth part [U.K.], 10^-12 [0.000 000 000 001]. The metric symbol for pico- is p.

【相关词根词缀】 Related "metric" families: yotta; zetta; exa; peta; tera; giga; mega; kilo; hecto; deka; deci; centi; milli; micro; nano; femto; atto; zepto; yocto.

【同源单词】picoammeter, picoampere, picocurie, picofarad, picogram, picokelvin

词根词缀：picro-, picr-

【来源及含义】Greek: bitter, sharp, pungent

【同源单词】picric, picrocarmine, picrogeusia, picrorrhiza, picrotoxin, picrotoxinin

词根词缀：pict-, paint-

【来源及含义】Latin: paint, painting; picture

【相关描述】This unit of "paint" words is directly related to the pigment- family of words.

【同源单词】depict, depicted, depicter, depiction, depicture, impictured

词根词缀：piet-, pious-

【来源及含义】Latin: from pius, dutiful, dutiful conduct; kind, kindness; devout; compassion

【同源单词】expiable, expiate, expiation, expiatory, impiety, impious

词根词缀：piezo-, piez-

【来源及含义】Greek: to press; pressure; to squeeze

【相关词根词缀】 A cross reference of word units that are related, directly and/or indirectly, with "electricity": electro-; galvano-; hodo-; ion-; -tron; volt; biomechatronics, info; mechatronics, info.

【同源单词】phlebopiezometry, piesesthesia, piezo effect, piezo ignition, piezocardiogram, piezochemistry

词根词缀：pigment-, pigmento-

【来源及含义】Latin: "paint"; coloring matter involving both animals and plants

【相关描述】This unit is directly related to the pict- family of words.

【同源单词】accessory pigment, acropigmentation, depigmentation, hyperpigmentation, hypopigmentation, incontinentia pigmenti

词根词缀：pil-

【来源及含义】Latin: to gather, to pillage, to plunder, to rob, to steal, to snatch, to heap up (as stones) and to carry off

【相关描述】Don't confuse the words in this pil- unit with the pil-, pilo- or "hair" group of words.

【同源单词】compellation, compilation, compilatory, compile, compiled, compilement