selci:=x1 is a cell/atom/unit/molecule of x2; x1 is an indivisible, most basic subunit of x2 
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xukmi:=x1 is an instance of substance/chemical/drug x2 (individual or mass) with purity x3 

slasi:=x1 is a quantity of/is made of/contains plastic/polymer of type/component unit(s) x2 

lanbi:=x1 is a quantity of protein/albumin of type x2 composed of amino acids (sequence/jo'u) 

slami:=x1 is a quantity of/contains/is made of acid of composition x2; (adjective:) x1 is acidic 
jilka:=x1 is a quantity of/contains/is made of alkali/base of composition including x2 
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lastu:=x1 is a quantity of/contains/is made of brass [copper/zinc alloy] of composition including x2 
ransu:=x1 is a quantity of/contains/is made of bronze of composition including x2 
rijno:=x1 is made of/contains/is a quantity of silver/argentum (Ag); [metaphor: valuable, tarnishing] 
cnisa:=x1 is a quantity of/contains/is made of lead (Pb); [metaphor: heavy, malleable, soft metal] 
margu:=x1 is a quantity of/contains/made of mercury/quicksilver; [metaphor: fluid metal; temperature] 
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sodna:=x1 is a quantity of/contains/is made of alkali metal of type x2 [default sodium] 
solji:=x1 is a quantity of/contains/is made of gold (Au); [metaphor: valuable, heavy, non-reactive] 
tinci:=x1 is a quantity of/contains/is made of tin (Sn); [metaphor: cheap or base metal] 
tirse:=x1 is a quantity of/contains/is made of iron (Fe); [metaphor: strong, durable, tarnishing] 
zinki:=x1 is a quantity of/contains/is made of zinc (Zn); [metaphor: hard metal] 

tunka:=x1 is made of/contains/is a quantity of copper (Cu); [metaphor: reddish, electrical conductor] 
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tabno:=x1 is a quantity of/contains/is made of carbon/graphite/[diamond]/charcoal; x1 is organic 
tarla:=x1 is a quantity of/contains/is made of tar/asphalt from source x2 
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cidro:=x1 is a quantity of/contains/is made of hydrogen (H); [metaphor: light, flammable] 
kliru:=x1 is a quantity of/contains/is made of halogen of type x2 [chlorine, fluorine, iodine, etc.] 

kijno:=x1 is a quantity of/contains/is made of oxygen (O); [metaphor: supporting life/combustion] 
trano:=x1 is a quantity of/contains/is made of nitrogen/ammonia/nitrates 

vacri:=x1 is a quantity of air/normally-gaseous atmosphere of planet x2, of composition including x3 

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zbabu:=x1 is a quantity of/contains/is made of soap from source x2 of composition including x3