"metileno" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "fr",
        "3": "méthylène"
      },
      "expansion": "Borrowed from French méthylène",
      "name": "bor+"
    },
    {
      "args": {
        "1": "es",
        "2": "metil-",
        "3": "-eno"
      },
      "expansion": "metil- + -eno",
      "name": "af"
    }
  ],
  "etymology_text": "Borrowed from French méthylène, equivalent to metil- + -eno.",
  "forms": [
    {
      "form": "metilenos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "metileno m (plural metilenos)",
      "name": "es-noun"
    }
  ],
  "hyphenation": [
    "me‧ti‧le‧no"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish terms prefixed with metil-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish terms suffixed with -eno",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "es",
          "name": "Organic chemistry",
          "orig": "es:Organic chemistry",
          "parents": [
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "methylene"
      ],
      "id": "en-metileno-es-noun-nM2SwWVO",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "methylene",
          "methylene"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) methylene"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/metiˈleno/"
    },
    {
      "ipa": "[me.t̪iˈle.no]"
    },
    {
      "rhymes": "-eno"
    }
  ],
  "word": "metileno"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "fr",
        "3": "méthylène"
      },
      "expansion": "Borrowed from French méthylène",
      "name": "bor+"
    },
    {
      "args": {
        "1": "es",
        "2": "metil-",
        "3": "-eno"
      },
      "expansion": "metil- + -eno",
      "name": "af"
    }
  ],
  "etymology_text": "Borrowed from French méthylène, equivalent to metil- + -eno.",
  "forms": [
    {
      "form": "metilenos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "metileno m (plural metilenos)",
      "name": "es-noun"
    }
  ],
  "hyphenation": [
    "me‧ti‧le‧no"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 2 entries",
        "Pages with entries",
        "Rhymes:Spanish/eno",
        "Rhymes:Spanish/eno/4 syllables",
        "Spanish 4-syllable words",
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish lemmas",
        "Spanish masculine nouns",
        "Spanish nouns",
        "Spanish terms borrowed from French",
        "Spanish terms derived from French",
        "Spanish terms prefixed with metil-",
        "Spanish terms suffixed with -eno",
        "Spanish terms with IPA pronunciation",
        "es:Organic chemistry"
      ],
      "glosses": [
        "methylene"
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "methylene",
          "methylene"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) methylene"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/metiˈleno/"
    },
    {
      "ipa": "[me.t̪iˈle.no]"
    },
    {
      "rhymes": "-eno"
    }
  ],
  "word": "metileno"
}