detonator; priming; primer; trigger; impetus; spark
revolutionary (e.g. technology)
invention; intelligent; clever; (arch.) making sense (of something); (arch.) understanding
to master (a skill); proprietor; manager; leader; chief; master (of arts, science, etc.); master (recording)
Department of Defense (U.S.); the Pentagon
control (by the state); controlling; coordination; air traffic control
unauthorized (computer) access; hacking
private; non-governmental; non-official; folk; popular
great; grand; extensive; large-scale
easy; simple; easygoing; lighthearted; simplistic
sharing; share (on social media); market share
concealment; suppression; hiding
at this stage; at this point; now (contrasting with the past)
uneasy feeling; sense of anxiety; malaise
being buried; remaining unknown; being forgotten; being absorbed (e.g. in research); being immersed
casual; unconcerned; nonchalant
to point; to nominate; to select someone; to identify; to indicate; to play (a game of shogi)
high place; high altitude; heights; broad view
to have a cramp; to twitch; to stiffen (of a face, expression); to freeze; to shrink (of skin, due to a scar); to tauten
repulsion; repulsive force
propulsive power; driving force
addition; adding; supplement
preparing to flee; being ready to run away
speaking about (one's thoughts, memories, etc.); relating (one's feelings, reminiscences, etc.); recollection; reminiscence
upper floor (of a building)
to quarry; to cut (timber); to begin to talk; to break the ice; to start a fire (with flint, by rubbing sticks together, etc.); to select and extract (from a media file)
to express in a refined fashion; to weave a web of words
aptitude; aptness; suitability
several sheets (flat objects)
experimental; provisional
trial manufacture; experiment; test piece; prototype
anyone; anybody; everyone; whoever
to spread; to be propagated
confluence (of rivers); merge (of traffic); conflux; union (e.g. of forces); linking up; merging
feeling refreshed; feeling relieved; neat; tidy; frank; open-hearted; completely
to drip; to drop; to trickle; to overflow (with freshness, beauty, etc.)