cover (v)
/ˈkʌv·ər/

to put or spread something over something, or to lie on the surface of something

adjacent (a)
 /əˈdʒeɪ.sənt/

next to or near something else

compress (v)
/kəmˈpres/

to press something into a smaller space

feasible (a)
/ˈfi·zə·bəl/

possible, reasonable, or likely

gut (n)
/ɡʌt/

the organs in and around the stomach, especially in an animal

integral (a)
/ˈɪn·tə·ɡrəl/

having all the parts that are necessary for something to be complete

overlap (v)
/ˌoʊ·vərˈlæp/

to partly cover something with a layer of something else

retain (v)
/rɪˈteɪn/

to keep or continue to have something

seep (v)
/sip/

(of liquids) to flow slowly through something

structure (n)
/ˈstrʌk·tʃər/

the way in which the parts of something are organized or arranged into a whole

organic (a)
/ɔːrˈɡæn.ɪk/ 

using no or only a small number of artificial chemicals and methods

petrifaction (n)
/ˌpet.rɪˈfæk.ʃən/

the act or process of forming petrified organic material

object (n)
/ˈɑb·dʒɪkt/

a thing that can be seen, held, or touched, usually not a living thing

mineral (n)
/ˈmɪn.ər.əl/

a valuable or useful chemical substance that is formed naturally in the ground

version (n)
/ˈvɜr·ʒən/

a form of something that is different from other forms or from the original

mud (n)
/mʌd/

very soft wet earth

ancient (a)
/ˈeɪnʃənt/

belonging to a period of history that is thousands of years in the past

scientific (a)
/ˌsɑɪ·ənˈtɪf·ɪk/

relating to science

layer (n)
/ˈleɪ·ər/

a quantity or thickness of something that lies over a surface or between surfaces

ash (n)
/æʃ/

the soft grey or black powder that is left after a substance, especially tobacco, coal, or wood, has burned