gladly received. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. To greet someone who has just arrived.

Being opposed to or wanting to prevent something.

strain of bacteria that has become resistant to antibiotic drugs. Strain of bacteria resistant to all antibiotics.

To grow bigger, more complex, or more advanced.

set of circumstances in which one finds oneself. Circumstances or conditions surrounding an event.

Branch of engineering that deals with things smaller than nanometers (especially with the manipulation of individual molecules).

assembly of people. To come together at a certain time or place.

used for emphasis with following adjective functioning as adverb. Thing that is not yet known or named.

undergoing natural development by increasing in size and changing physically. Act of cultivating plants for food. To get bigger and more mature; make plants do this.

relating to antibiotics. medicine that inhibits growth of or destroys microorganisms.

To bring a previous image or idea to your mind.

needing much effort or skill to accomplish, deal with, or understand.

for reason that.

Having or involving more than one of something. number exactly divisible by another number.