array:14 [
  "cdn-loop" => array:1 [
    0 => "cloudflare; loops=1"
  ]
  "cf-ray" => array:1 [
    0 => "8e7487cc3878e268-ORD"
  ]
  "user-agent" => array:1 [
    0 => "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
  ]
  "accept" => array:1 [
    0 => "*/*"
  ]
  "host" => array:1 [
    0 => "elook.org"
  ]
  "x-forwarded-for" => array:1 [
    0 => "18.222.92.56"
  ]
  "connection" => array:1 [
    0 => "close"
  ]
  "cf-visitor" => array:1 [
    0 => "{"scheme":"https"}"
  ]
  "cf-ipcountry" => array:1 [
    0 => "US"
  ]
  "cf-connecting-ip" => array:1 [
    0 => "18.222.92.56"
  ]
  "referer" => array:1 [
    0 => "http://elook.org/dictionary/kastler.html"
  ]
  "accept-encoding" => array:1 [
    0 => "gzip, br"
  ]
  "x-forwarded-port" => array:1 [
    0 => "80"
  ]
  "x-forwarded-proto" => array:1 [
    0 => "http"
  ]
]
KASTLER

Definition:

Synonyms:
