electric eye magic eye photocell sensor device trace detector metal detector photoelectric cell detector mine detector photoconductive cell

be-all and end-all factor point division constituent part section be all and end all plot element ingredient component

pixel retrofit audio appurtenance accessory add-on ingredient picture element heating element input improver car part part auto part computer hardware spare part portion component module supplement spare spark gap hardware pel constituent making landside addition crystal

detection perception

P actinium fluorine atomic number 36 lawrencium Uut Kr krypton mendelevium Uuh roentgenium Br element 109 element 107 O ununtrium allotrope Mv atomic number 52 Bh H Ge iodin atomic number 10 helium atomic number 86 chemical element atomic number 108 atomic number 110 S tellurium atomic number 109 hahnium neon carbon element 116 atomic number 1 Pu atomic number 34 atomic number 5 nobelium Uup F sulphur atomic number 106 atomic number 116 unnilquadium metal xenon element 113 atomic number 32 atomic number 101 boron atomic number 112 darmstadtium Mt Md As meitnerium noble gas bohrium Uuq atomic number 107 transactinide atomic number 33 bromine trace element rutherfordium atomic number 2 element 106 iodine Ds Rg atom N element 114 atomic number 115 atomic number 7 Cl atomic number 103 dubnium Si Te atomic number 102 argonon atomic number 9 atomic number 53 atomic number 54 atomic number 114 element 111 Rf atomic number 17 plutonium atomic number 104 Ac element 108 phosphorus ununhexium atomic number 16 atomic number 111 nitrogen selenium ununquadium atomic number 14 Uub Db hassium atomic number 113 Xe atomic number 35 hydrogen atomic number 6 Se atomic number 105 I atomic number 85 C atomic number 8 nonmetal silicon element 112 B Lr arsenic He radon Sg transuranic element oxygen germanium Hs chlorine atomic number 89 Ne ununbium ununpentium inert gas sulfur atomic number 18 Unq seaborgium Ar atomic number 15 element 105 argon astatine element 115 element 110 substance At Rn No element 104 metallic element atomic number 94

environment environs surround surroundings

straight line element of a cylinder element of a cone

tasting taste smelling looking looking at hearing perception listening sensory activity smell lipreading look

earth substance quintessence air ether water fire

state of affairs situation