Vocabulary :

Supersede:
verb [T]
if a new idea, product, or method supersedes another one, it becomes used instead because it is more modern or effective or has more authority:
• The new deal supersedes the old agreement.

See Synonyms at replace

tamper verb
tamper with sth phrasal verb [T]
to touch something or make changes to it without permission, especially in order to deliberately damage it:
• Police revealed that the telephone line had been tampered with.


species WORD ORIGIN
noun plural species [C] Written: 2000
a group of animals or plants which are all similar and can breed together to produce young animals or plants of the same kind as them:
• Many species of aquatic plants can exist in very little light. --see also ENDANGERED SPECIES


amok also amuck adverb
1 run amok to suddenly behave in an uncontrolled way in which things are destroyed:
• Troops were allowed to run amok in the villages.2 a sth run amok something that is completely uncontrolled and is causing a lot of destruction:
• Sheep ranches are being put in danger by a coyote population run amok.


buy up sth phrasal verb [T]
to quickly buy as much as you can of something such as land, tickets, food etc.:
• The park land is being bought up by two
corporations

fallow adjective
1 fallow land is dug or PLOWed but is not used for growing crops, in order to let the soil become better
2 not doing anything or not working; INACTIVE:
• They've started producing films again after a two-year fallow period.


stick out phrasal verb
1 COME UP OR FORWARD [I] if a part of something sticks out, it comes out further than the rest of a surface or comes out through a hole:
• It's kind of cute the way his ears stick out. [+ of/from/through]:• A neatly folded handkerchief stuck out of his jacket pocket.
2 PUT STH OUT [T stick sth<-> out] to deliberately make part of your body come forward or out from the rest of your body:
• "Nice to meet you," Pat said, sticking out her hand.
3 stick your tongue out (at sb) to quickly put your tongue outside your mouth and back in again, to be rude
4 stick out (in sb's mind) to seem more important to someone than other people or things:
• One concern that sticks out in everyone's mind is the cost of the new stadium.
5 stick out (like a sore thumb) INFORMAL to look very different from everyone or everything around:
• I'm not going to the party dressed like this - I'd stick out like a sore thumb.
6 stick it out to continue to the end of an activity that is difficult, painful, or boring:
• I'm going to stick it out just to prove to him that I can do it.
7 stick your neck out INFORMAL to take the risk of saying or doing something that may be wrong or that other people may disagree with