"counterflow" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "counter",
        "3": "flow"
      },
      "expansion": "counter- + flow",
      "name": "prefix"
    }
  ],
  "etymology_text": "counter- + flow",
  "forms": [
    {
      "form": "counterflows",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "counterflow (countable and uncountable, plural counterflows)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "73 27",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "2009 January 5, “Using the Earth and Sun to Provide Home Heating”, in New York Times",
          "text": "We, too, used[…] a counterflow heat exchanger to warm incoming fresh air.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A flow in the opposite direction; or the flow of two fluids in opposite directions"
      ],
      "id": "en-counterflow-en-noun-dcLpgGrX",
      "links": [
        [
          "flow",
          "flow"
        ],
        [
          "opposite",
          "opposite"
        ],
        [
          "direction",
          "direction"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "counterflow"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "counter",
        "3": "flow"
      },
      "expansion": "counter- + flow",
      "name": "prefix"
    }
  ],
  "etymology_text": "counter- + flow",
  "forms": [
    {
      "form": "counterflows",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "counterflowing",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "counterflowed",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "counterflowed",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "counterflow (third-person singular simple present counterflows, present participle counterflowing, simple past and past participle counterflowed)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "_dis": "36 64",
          "kind": "other",
          "name": "English terms prefixed with counter-",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "To flow in the opposite direction"
      ],
      "id": "en-counterflow-en-verb-YEYQTlFv"
    }
  ],
  "word": "counterflow"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms prefixed with counter-",
    "English uncountable nouns",
    "English verbs"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "counter",
        "3": "flow"
      },
      "expansion": "counter- + flow",
      "name": "prefix"
    }
  ],
  "etymology_text": "counter- + flow",
  "forms": [
    {
      "form": "counterflows",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "counterflow (countable and uncountable, plural counterflows)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2009 January 5, “Using the Earth and Sun to Provide Home Heating”, in New York Times",
          "text": "We, too, used[…] a counterflow heat exchanger to warm incoming fresh air.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A flow in the opposite direction; or the flow of two fluids in opposite directions"
      ],
      "links": [
        [
          "flow",
          "flow"
        ],
        [
          "opposite",
          "opposite"
        ],
        [
          "direction",
          "direction"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "counterflow"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms prefixed with counter-",
    "English uncountable nouns",
    "English verbs"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "counter",
        "3": "flow"
      },
      "expansion": "counter- + flow",
      "name": "prefix"
    }
  ],
  "etymology_text": "counter- + flow",
  "forms": [
    {
      "form": "counterflows",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "counterflowing",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "counterflowed",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "counterflowed",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "counterflow (third-person singular simple present counterflows, present participle counterflowing, simple past and past participle counterflowed)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "glosses": [
        "To flow in the opposite direction"
      ]
    }
  ],
  "word": "counterflow"
}