infección
infection
noun een-fehk-SYOHN Less Common
Origin: From Latin infectio (dyeing, contamination).
Usage Note
Infección refers to a microbial infection (infección bacteriana, infección viral). The verb is infectar and the adjective is infeccioso (infectious). Do not confuse infección with infestación (infestation, typically of parasites or pests): infección is microscopic (bacteria, viruses, fungi), while infestación implies visible organisms overrunning a place.
Examples
"El médico trató la infección con antibióticos."
Natural Translation
The doctor treated the infection with antibiotics.

Free starter pack
Building your Spanish vocabulary?
Get the 100 most common Spanish words as a free PDF — one email, no spam.
Related Words
Explore Spanish by topic