NLO

NLO may refer to:

• Naval liaison officer
• Norman Lockyer Observatory
• Non-linear optical material
• Russian and Bulgarian transliterated abbreviation for UFO
• NLO, Russian print issue
• Nobody Likes Onions.
• Next to Leading Order, in the scientific context. This expression can be understood within the Taylor series formalism, referring to the second term of the series — though its use extends much further the Taylor series, which here has to be seen as an example only.

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