unit10(technology/invention) Flashcards
inventor
a person who creates new things
inspiration
a sudden good idea, a role model for creativeity
derive
to get from sth , from sth else, originate
current
a flow of electricity, watrr or air
refinement
improvment
unveil
to make public , to uncover
critical
very important
device
a machine or tool
file
to offcially record sth
patent
a right to an invention granted by the goverment
specifically
exactly, for a particular reason
enterpreneur
sombody who starts a busines
back
to support, especially financially busiiness
investor
a person who puts money into a business
ransack
to search thoroughly, often violently or carelessly
suitable
appropraite, acceptable for sth
clamp
to fasten or hold tightly
infringement
an action that breaks a rule or law
invalid
not legally correct or acceptable
ruling
a legal decision
propeller
a device that causes an airpalen or biat to move
sustained
having the ability to continue for a long time
coarse
rough, not smooth
prolonged
continuing for a long time, often in negarive sense