Adolescence /ˌæd

surface /ˈsɜː.fɪs/ /ˈsɝː-/ noun TOP
1. [ C ] the outer or top part or layer of something
Tropical rain forests used to cover 10% of the Earth's surface.
The marble has a smooth, shiny surface.
Neil Armstrong was the first person to set foot on the surface of the moon.
2. [ C ] the top layer of a field or track on which sports are played
The match will be played on an artificial/all-weather surface.
3. [ C ] the flat top part of a table, cupboard, etc.
a work surface Don't put anything wet on a polished surface, or it will leave a mark.
surface /ˈsɜː.fɪs/ /ˈsɝː-/ noun APPEARANCE
4. [ S ] The surface of a situation or person is what they appear to be, or the features they have which are not hidden or difficult to see
On the surface, this seems like a difficult problem, but in fact there's an easy solution to it.
Beneath/Below/Under the surface of contemporary West Indian life lurk memories of slavery.
Suddenly, all her anger came/rose to the surface (= became obvious) .
universe /ˈjuː.nɪ.vɜːs/ /-vɝːs/ noun
1. [ S ] everything that exists, especially all physical matter, including all the stars, planets, galaxies , etc. in space Is there intelligent life elsewhere in the universe?
2. [ C ] a universe which could be imagined to exist outside our own
Scientists have speculated about the possibility of parallel universes.
3. [ S ] the world, or the world that you are familiar with
The characters in his novels inhabit a bleak and hopeless universe.
His family is his whole universe (= everything that is important to him) .
weightless /ˈweɪt.ləs/ adjective
having or appearing to have no weight
There is a lot of interest in carrying out experiments in the weightless conditions which are experienced aboard space stations.
weightlessly /ˈweɪt.lə.sli/ adverb
weightlessness /ˈweɪt.lə.snəs/ noun [ U ]
commercial /kəˈmɜː.ʃ ə l/ /-ˈmɝː-/ adjective
4. [ before noun ] describes radio or television that is paid for by advertisements which are broadcast between and during programmes
commercial /kəˈmɜː.ʃ ə l/ /-ˈmɝː-/ adjective
1. related to buying and selling things
a commercial organization/venture/success
commercial law
The commercial future of the company looks very promising.
2. disapproving describes a record, film, book, etc. that has been produced with the aim of making money and as a result has little artistic value
3. [ before noun ] describes a product that can be bought by or is intended to be bought by the general public
cosmic /ˈkɒz.mɪk/ /ˈkɑːz-/ adjective
1. relating to the universe and the natural processes that happen in it
cosmic dust/radiation
2. informal very great
The earthquake was a disaster of cosmic proportions/scale .
extreme /ɪkˈstriːm/ adjective GREAT
1. very large in amount or degree
extreme pain/stupidity/wealth
gravitation /ˌgræv.ɪˈteɪ.ʃ ə n/ noun FORCE
1. [ U ] in science, the force which attracts all objects in the universal towards one another